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Finding the Fourth Proportional to 64,514,140.80, 96,771,211.20 and 64,514,140.80

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Solution

The fourth proportional to 64,514,140.80, 96,771,211.20 and 64,514,140.80 is: 96,771,211.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,514,140.80 : 96,771,211.20 = 64,514,140.80 : x
  2. Step 2: Convert to fraction form
    64,514,140.80/96,771,211.20 = 64,514,140.80/x
  3. Step 3: Cross multiply
    64,514,140.80x = 96,771,211.20 × 64,514,140.80
  4. Step 4: Simplify right side
    64,514,140.80x = 6,243,111,544,743,337
  5. Step 5: Solve for x
    x = 6,243,111,544,743,337/64,514,140.80
  6. Step 6: Final answer
    x = 96,771,211.20

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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.