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Finding the Fourth Proportional to 154,781.48, 232,024.10 and 98,447.06

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Solution

The fourth proportional to 154,781.48, 232,024.10 and 98,447.06 is: 147,576.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,781.48 : 232,024.10 = 98,447.06 : x
  2. Step 2: Convert to fraction form
    154,781.48/232,024.10 = 98,447.06/x
  3. Step 3: Cross multiply
    154,781.48x = 232,024.10 × 98,447.06
  4. Step 4: Simplify right side
    154,781.48x = 22,842,090,581.97
  5. Step 5: Solve for x
    x = 22,842,090,581.97/154,781.48
  6. Step 6: Final answer
    x = 147,576.38

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1.5x scale

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.