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Finding the Fourth Proportional to 118,217.40, 177,294.90 and 59,009.40

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Solution

The fourth proportional to 118,217.40, 177,294.90 and 59,009.40 is: 88,498.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,217.40 : 177,294.90 = 59,009.40 : x
  2. Step 2: Convert to fraction form
    118,217.40/177,294.90 = 59,009.40/x
  3. Step 3: Cross multiply
    118,217.40x = 177,294.90 × 59,009.40
  4. Step 4: Simplify right side
    118,217.40x = 10,462,065,672.06
  5. Step 5: Solve for x
    x = 10,462,065,672.06/118,217.40
  6. Step 6: Final answer
    x = 88,498.53

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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.