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Finding the Fourth Proportional to 75,607,640.10, 113,411,460.15 and 75,607,640.10

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Solution

The fourth proportional to 75,607,640.10, 113,411,460.15 and 75,607,640.10 is: 113,411,460.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,607,640.10 : 113,411,460.15 = 75,607,640.10 : x
  2. Step 2: Convert to fraction form
    75,607,640.10/113,411,460.15 = 75,607,640.10/x
  3. Step 3: Cross multiply
    75,607,640.10x = 113,411,460.15 × 75,607,640.10
  4. Step 4: Simplify right side
    75,607,640.10x = 8,574,772,862,236,692
  5. Step 5: Solve for x
    x = 8,574,772,862,236,692/75,607,640.10
  6. Step 6: Final answer
    x = 113,411,460.15

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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.