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Finding the Fourth Proportional to 147,795.60, 221,693.40 and 88,600.80

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Solution

The fourth proportional to 147,795.60, 221,693.40 and 88,600.80 is: 132,901.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,795.60 : 221,693.40 = 88,600.80 : x
  2. Step 2: Convert to fraction form
    147,795.60/221,693.40 = 88,600.80/x
  3. Step 3: Cross multiply
    147,795.60x = 221,693.40 × 88,600.80
  4. Step 4: Simplify right side
    147,795.60x = 19,642,212,594.72
  5. Step 5: Solve for x
    x = 19,642,212,594.72/147,795.60
  6. Step 6: Final answer
    x = 132,901.20

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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.