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Finding the Fourth Proportional to 118,211.60, 177,220.20 and 62,807.60

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Solution

The fourth proportional to 118,211.60, 177,220.20 and 62,807.60 is: 94,159.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,211.60 : 177,220.20 = 62,807.60 : x
  2. Step 2: Convert to fraction form
    118,211.60/177,220.20 = 62,807.60/x
  3. Step 3: Cross multiply
    118,211.60x = 177,220.20 × 62,807.60
  4. Step 4: Simplify right side
    118,211.60x = 11,130,775,433.52
  5. Step 5: Solve for x
    x = 11,130,775,433.52/118,211.60
  6. Step 6: Final answer
    x = 94,159.76

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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.