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Finding the Fourth Proportional to 73,989,062.20, 103,754,748.20 and 73,989,062.20

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Solution

The fourth proportional to 73,989,062.20, 103,754,748.20 and 73,989,062.20 is: 103,754,748.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,989,062.20 : 103,754,748.20 = 73,989,062.20 : x
  2. Step 2: Convert to fraction form
    73,989,062.20/103,754,748.20 = 73,989,062.20/x
  3. Step 3: Cross multiply
    73,989,062.20x = 103,754,748.20 × 73,989,062.20
  4. Step 4: Simplify right side
    73,989,062.20x = 7,676,716,518,115,139
  5. Step 5: Solve for x
    x = 7,676,716,518,115,139/73,989,062.20
  6. Step 6: Final answer
    x = 103,754,748.20

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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.