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Finding the Fourth Proportional to 173,037.40, 258,980.10 and 125,517.40

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Solution

The fourth proportional to 173,037.40, 258,980.10 and 125,517.40 is: 187,858.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,037.40 : 258,980.10 = 125,517.40 : x
  2. Step 2: Convert to fraction form
    173,037.40/258,980.10 = 125,517.40/x
  3. Step 3: Cross multiply
    173,037.40x = 258,980.10 × 125,517.40
  4. Step 4: Simplify right side
    173,037.40x = 32,506,508,803.74
  5. Step 5: Solve for x
    x = 32,506,508,803.74/173,037.40
  6. Step 6: Final answer
    x = 187,858.28

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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.