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Finding the Fourth Proportional to 334,720.12, 502,080.16 and 98,062.80

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Solution

The fourth proportional to 334,720.12, 502,080.16 and 98,062.80 is: 147,094.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,720.12 : 502,080.16 = 98,062.80 : x
  2. Step 2: Convert to fraction form
    334,720.12/502,080.16 = 98,062.80/x
  3. Step 3: Cross multiply
    334,720.12x = 502,080.16 × 98,062.80
  4. Step 4: Simplify right side
    334,720.12x = 49,235,386,314.05
  5. Step 5: Solve for x
    x = 49,235,386,314.05/334,720.12
  6. Step 6: Final answer
    x = 147,094.19

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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.