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Finding the Fourth Proportional to 157,574.54, 217,452.08 and 85,953.93

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Solution

The fourth proportional to 157,574.54, 217,452.08 and 85,953.93 is: 118,616.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,574.54 : 217,452.08 = 85,953.93 : x
  2. Step 2: Convert to fraction form
    157,574.54/217,452.08 = 85,953.93/x
  3. Step 3: Cross multiply
    157,574.54x = 217,452.08 × 85,953.93
  4. Step 4: Simplify right side
    157,574.54x = 18,690,860,432.90
  5. Step 5: Solve for x
    x = 18,690,860,432.90/157,574.54
  6. Step 6: Final answer
    x = 118,616.00

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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.