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Finding the Fourth Proportional to 157,079.08, 216,750.18 and 89,090.92

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Solution

The fourth proportional to 157,079.08, 216,750.18 and 89,090.92 is: 122,934.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,079.08 : 216,750.18 = 89,090.92 : x
  2. Step 2: Convert to fraction form
    157,079.08/216,750.18 = 89,090.92/x
  3. Step 3: Cross multiply
    157,079.08x = 216,750.18 × 89,090.92
  4. Step 4: Simplify right side
    157,079.08x = 19,310,472,946.37
  5. Step 5: Solve for x
    x = 19,310,472,946.37/157,079.08
  6. Step 6: Final answer
    x = 122,934.72

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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.