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Finding the Fourth Proportional to 157,774.50, 217,728.63 and 93,267.00

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Solution

The fourth proportional to 157,774.50, 217,728.63 and 93,267.00 is: 128,708.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,774.50 : 217,728.63 = 93,267.00 : x
  2. Step 2: Convert to fraction form
    157,774.50/217,728.63 = 93,267.00/x
  3. Step 3: Cross multiply
    157,774.50x = 217,728.63 × 93,267.00
  4. Step 4: Simplify right side
    157,774.50x = 20,306,896,230.02
  5. Step 5: Solve for x
    x = 20,306,896,230.02/157,774.50
  6. Step 6: Final answer
    x = 128,708.35

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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.