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Finding the Fourth Proportional to 371,498.24, 556,999.68 and 134,810.12

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Solution

The fourth proportional to 371,498.24, 556,999.68 and 134,810.12 is: 202,125.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,498.24 : 556,999.68 = 134,810.12 : x
  2. Step 2: Convert to fraction form
    371,498.24/556,999.68 = 134,810.12/x
  3. Step 3: Cross multiply
    371,498.24x = 556,999.68 × 134,810.12
  4. Step 4: Simplify right side
    371,498.24x = 75,089,193,700.76
  5. Step 5: Solve for x
    x = 75,089,193,700.76/371,498.24
  6. Step 6: Final answer
    x = 202,125.30

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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.