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Finding the Fourth Proportional to 157,035.52, 216,714.76 and 89,980.48

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Solution

The fourth proportional to 157,035.52, 216,714.76 and 89,980.48 is: 124,176.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,035.52 : 216,714.76 = 89,980.48 : x
  2. Step 2: Convert to fraction form
    157,035.52/216,714.76 = 89,980.48/x
  3. Step 3: Cross multiply
    157,035.52x = 216,714.76 × 89,980.48
  4. Step 4: Simplify right side
    157,035.52x = 19,500,098,127.88
  5. Step 5: Solve for x
    x = 19,500,098,127.88/157,035.52
  6. Step 6: Final answer
    x = 124,176.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.