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Finding the Fourth Proportional to 118,089.64, 177,134.64 and 35,931.57

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Solution

The fourth proportional to 118,089.64, 177,134.64 and 35,931.57 is: 53,897.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,089.64 : 177,134.64 = 35,931.57 : x
  2. Step 2: Convert to fraction form
    118,089.64/177,134.64 = 35,931.57/x
  3. Step 3: Cross multiply
    118,089.64x = 177,134.64 × 35,931.57
  4. Step 4: Simplify right side
    118,089.64x = 6,364,725,716.58
  5. Step 5: Solve for x
    x = 6,364,725,716.58/118,089.64
  6. Step 6: Final answer
    x = 53,897.41

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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.