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Finding the Fourth Proportional to 373,742.60, 560,280.58 and 137,030.12

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Solution

The fourth proportional to 373,742.60, 560,280.58 and 137,030.12 is: 205,422.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,742.60 : 560,280.58 = 137,030.12 : x
  2. Step 2: Convert to fraction form
    373,742.60/560,280.58 = 137,030.12/x
  3. Step 3: Cross multiply
    373,742.60x = 560,280.58 × 137,030.12
  4. Step 4: Simplify right side
    373,742.60x = 76,775,315,111.07
  5. Step 5: Solve for x
    x = 76,775,315,111.07/373,742.60
  6. Step 6: Final answer
    x = 205,422.97

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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.