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Finding the Fourth Proportional to 173,482.56, 239,520.24 and 112,343.76

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Solution

The fourth proportional to 173,482.56, 239,520.24 and 112,343.76 is: 155,108.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,482.56 : 239,520.24 = 112,343.76 : x
  2. Step 2: Convert to fraction form
    173,482.56/239,520.24 = 112,343.76/x
  3. Step 3: Cross multiply
    173,482.56x = 239,520.24 × 112,343.76
  4. Step 4: Simplify right side
    173,482.56x = 26,908,604,357.70
  5. Step 5: Solve for x
    x = 26,908,604,357.70/173,482.56
  6. Step 6: Final answer
    x = 155,108.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.