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Finding the Fourth Proportional to 124,045.92, 186,069.42 and 39,818.88

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Solution

The fourth proportional to 124,045.92, 186,069.42 and 39,818.88 is: 59,728.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,045.92 : 186,069.42 = 39,818.88 : x
  2. Step 2: Convert to fraction form
    124,045.92/186,069.42 = 39,818.88/x
  3. Step 3: Cross multiply
    124,045.92x = 186,069.42 × 39,818.88
  4. Step 4: Simplify right side
    124,045.92x = 7,409,075,906.65
  5. Step 5: Solve for x
    x = 7,409,075,906.65/124,045.92
  6. Step 6: Final answer
    x = 59,728.49

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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.