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Finding the Fourth Proportional to 373,975.20, 560,948.40 and 124,657.20

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Solution

The fourth proportional to 373,975.20, 560,948.40 and 124,657.20 is: 186,981.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,975.20 : 560,948.40 = 124,657.20 : x
  2. Step 2: Convert to fraction form
    373,975.20/560,948.40 = 124,657.20/x
  3. Step 3: Cross multiply
    373,975.20x = 560,948.40 × 124,657.20
  4. Step 4: Simplify right side
    373,975.20x = 69,926,256,888.48
  5. Step 5: Solve for x
    x = 69,926,256,888.48/373,975.20
  6. Step 6: Final answer
    x = 186,981.00

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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.