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Finding the Fourth Proportional to 125,150.70, 175,560.90 and 125,150.70

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Solution

The fourth proportional to 125,150.70, 175,560.90 and 125,150.70 is: 175,560.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,150.70 : 175,560.90 = 125,150.70 : x
  2. Step 2: Convert to fraction form
    125,150.70/175,560.90 = 125,150.70/x
  3. Step 3: Cross multiply
    125,150.70x = 175,560.90 × 125,150.70
  4. Step 4: Simplify right side
    125,150.70x = 21,971,569,527.63
  5. Step 5: Solve for x
    x = 21,971,569,527.63/125,150.70
  6. Step 6: Final answer
    x = 175,560.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.