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Finding the Fourth Proportional to 132,350.70, 198,526.05 and 70,142.70

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Solution

The fourth proportional to 132,350.70, 198,526.05 and 70,142.70 is: 105,214.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,350.70 : 198,526.05 = 70,142.70 : x
  2. Step 2: Convert to fraction form
    132,350.70/198,526.05 = 70,142.70/x
  3. Step 3: Cross multiply
    132,350.70x = 198,526.05 × 70,142.70
  4. Step 4: Simplify right side
    132,350.70x = 13,925,153,167.34
  5. Step 5: Solve for x
    x = 13,925,153,167.34/132,350.70
  6. Step 6: Final answer
    x = 105,214.05

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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.