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Finding the Fourth Proportional to 171,000.57, 235,981.53 and 93,477.78

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Solution

The fourth proportional to 171,000.57, 235,981.53 and 93,477.78 is: 128,999.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,000.57 : 235,981.53 = 93,477.78 : x
  2. Step 2: Convert to fraction form
    171,000.57/235,981.53 = 93,477.78/x
  3. Step 3: Cross multiply
    171,000.57x = 235,981.53 × 93,477.78
  4. Step 4: Simplify right side
    171,000.57x = 22,059,029,545.40
  5. Step 5: Solve for x
    x = 22,059,029,545.40/171,000.57
  6. Step 6: Final answer
    x = 128,999.74

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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.