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Finding the Fourth Proportional to 176,475.78, 243,697.95 and 112,925.07

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Solution

The fourth proportional to 176,475.78, 243,697.95 and 112,925.07 is: 155,939.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,475.78 : 243,697.95 = 112,925.07 : x
  2. Step 2: Convert to fraction form
    176,475.78/243,697.95 = 112,925.07/x
  3. Step 3: Cross multiply
    176,475.78x = 243,697.95 × 112,925.07
  4. Step 4: Simplify right side
    176,475.78x = 27,519,608,062.61
  5. Step 5: Solve for x
    x = 27,519,608,062.61/176,475.78
  6. Step 6: Final answer
    x = 155,939.86

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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.