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Finding the Fourth Proportional to 52,671,864.80, 73,790,999.20 and 52,671,864.80

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Solution

The fourth proportional to 52,671,864.80, 73,790,999.20 and 52,671,864.80 is: 73,790,999.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,671,864.80 : 73,790,999.20 = 52,671,864.80 : x
  2. Step 2: Convert to fraction form
    52,671,864.80/73,790,999.20 = 52,671,864.80/x
  3. Step 3: Cross multiply
    52,671,864.80x = 73,790,999.20 × 52,671,864.80
  4. Step 4: Simplify right side
    52,671,864.80x = 3,886,709,533,319,308
  5. Step 5: Solve for x
    x = 3,886,709,533,319,308/52,671,864.80
  6. Step 6: Final answer
    x = 73,790,999.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.