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Finding the Fourth Proportional to 178,798.08, 268,199.46 and 77,572.92

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Solution

The fourth proportional to 178,798.08, 268,199.46 and 77,572.92 is: 116,360.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,798.08 : 268,199.46 = 77,572.92 : x
  2. Step 2: Convert to fraction form
    178,798.08/268,199.46 = 77,572.92/x
  3. Step 3: Cross multiply
    178,798.08x = 268,199.46 × 77,572.92
  4. Step 4: Simplify right side
    178,798.08x = 20,805,015,254.62
  5. Step 5: Solve for x
    x = 20,805,015,254.62/178,798.08
  6. Step 6: Final answer
    x = 116,360.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.