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Finding the Fourth Proportional to 147,648.60, 221,472.90 and 88,453.80

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Solution

The fourth proportional to 147,648.60, 221,472.90 and 88,453.80 is: 132,680.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,648.60 : 221,472.90 = 88,453.80 : x
  2. Step 2: Convert to fraction form
    147,648.60/221,472.90 = 88,453.80/x
  3. Step 3: Cross multiply
    147,648.60x = 221,472.90 × 88,453.80
  4. Step 4: Simplify right side
    147,648.60x = 19,590,119,602.02
  5. Step 5: Solve for x
    x = 19,590,119,602.02/147,648.60
  6. Step 6: Final answer
    x = 132,680.70

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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.