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Finding the Fourth Proportional to 173,310.10, 260,001.60 and 98,368.90

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Solution

The fourth proportional to 173,310.10, 260,001.60 and 98,368.90 is: 147,574.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,310.10 : 260,001.60 = 98,368.90 : x
  2. Step 2: Convert to fraction form
    173,310.10/260,001.60 = 98,368.90/x
  3. Step 3: Cross multiply
    173,310.10x = 260,001.60 × 98,368.90
  4. Step 4: Simplify right side
    173,310.10x = 25,576,071,390.24
  5. Step 5: Solve for x
    x = 25,576,071,390.24/173,310.10
  6. Step 6: Final answer
    x = 147,574.04

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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.