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Finding the Fourth Proportional to 73,281,603.20, 102,459,875.20 and 73,281,603.20

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Solution

The fourth proportional to 73,281,603.20, 102,459,875.20 and 73,281,603.20 is: 102,459,875.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,281,603.20 : 102,459,875.20 = 73,281,603.20 : x
  2. Step 2: Convert to fraction form
    73,281,603.20/102,459,875.20 = 73,281,603.20/x
  3. Step 3: Cross multiply
    73,281,603.20x = 102,459,875.20 × 73,281,603.20
  4. Step 4: Simplify right side
    73,281,603.20x = 7,508,423,918,327,921
  5. Step 5: Solve for x
    x = 7,508,423,918,327,921/73,281,603.20
  6. Step 6: Final answer
    x = 102,459,875.20

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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.