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Finding the Fourth Proportional to 118,089.38, 177,134.26 and 35,931.31

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Solution

The fourth proportional to 118,089.38, 177,134.26 and 35,931.31 is: 53,897.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,089.38 : 177,134.26 = 35,931.31 : x
  2. Step 2: Convert to fraction form
    118,089.38/177,134.26 = 35,931.31/x
  3. Step 3: Cross multiply
    118,089.38x = 177,134.26 × 35,931.31
  4. Step 4: Simplify right side
    118,089.38x = 6,364,666,007.68
  5. Step 5: Solve for x
    x = 6,364,666,007.68/118,089.38
  6. Step 6: Final answer
    x = 53,897.02

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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.