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Finding the Fourth Proportional to 170,575.04, 255,864.72 and 45,916.04

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Solution

The fourth proportional to 170,575.04, 255,864.72 and 45,916.04 is: 68,874.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,575.04 : 255,864.72 = 45,916.04 : x
  2. Step 2: Convert to fraction form
    170,575.04/255,864.72 = 45,916.04/x
  3. Step 3: Cross multiply
    170,575.04x = 255,864.72 × 45,916.04
  4. Step 4: Simplify right side
    170,575.04x = 11,748,294,718.11
  5. Step 5: Solve for x
    x = 11,748,294,718.11/170,575.04
  6. Step 6: Final answer
    x = 68,874.64

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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.