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Finding the Fourth Proportional to 124,187.50, 186,282.96 and 35,440.98

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Solution

The fourth proportional to 124,187.50, 186,282.96 and 35,440.98 is: 53,161.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,187.50 : 186,282.96 = 35,440.98 : x
  2. Step 2: Convert to fraction form
    124,187.50/186,282.96 = 35,440.98/x
  3. Step 3: Cross multiply
    124,187.50x = 186,282.96 × 35,440.98
  4. Step 4: Simplify right side
    124,187.50x = 6,602,050,659.70
  5. Step 5: Solve for x
    x = 6,602,050,659.70/124,187.50
  6. Step 6: Final answer
    x = 53,161.96

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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.