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Finding the Fourth Proportional to 132,068.40, 198,102.60 and 47,868.90

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Solution

The fourth proportional to 132,068.40, 198,102.60 and 47,868.90 is: 71,803.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,068.40 : 198,102.60 = 47,868.90 : x
  2. Step 2: Convert to fraction form
    132,068.40/198,102.60 = 47,868.90/x
  3. Step 3: Cross multiply
    132,068.40x = 198,102.60 × 47,868.90
  4. Step 4: Simplify right side
    132,068.40x = 9,482,953,549.14
  5. Step 5: Solve for x
    x = 9,482,953,549.14/132,068.40
  6. Step 6: Final answer
    x = 71,803.35

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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.