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Finding the Fourth Proportional to 141,312,116.80, 211,968,175.20 and 141,312,116.80

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Solution

The fourth proportional to 141,312,116.80, 211,968,175.20 and 141,312,116.80 is: 211,968,175.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,312,116.80 : 211,968,175.20 = 141,312,116.80 : x
  2. Step 2: Convert to fraction form
    141,312,116.80/211,968,175.20 = 141,312,116.80/x
  3. Step 3: Cross multiply
    141,312,116.80x = 211,968,175.20 × 141,312,116.80
  4. Step 4: Simplify right side
    141,312,116.80x = 29,953,671,531,745,264
  5. Step 5: Solve for x
    x = 29,953,671,531,745,264/141,312,116.80
  6. Step 6: Final answer
    x = 211,968,175.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.