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Finding the Fourth Proportional to 610,155.77, 915,129.61 and 160,881.05

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Solution

The fourth proportional to 610,155.77, 915,129.61 and 160,881.05 is: 241,294.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,155.77 : 915,129.61 = 160,881.05 : x
  2. Step 2: Convert to fraction form
    610,155.77/915,129.61 = 160,881.05/x
  3. Step 3: Cross multiply
    610,155.77x = 915,129.61 × 160,881.05
  4. Step 4: Simplify right side
    610,155.77x = 147,227,014,428.51
  5. Step 5: Solve for x
    x = 147,227,014,428.51/610,155.77
  6. Step 6: Final answer
    x = 241,294.15

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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.