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Finding the Fourth Proportional to 342,707.16, 514,046.16 and 93,389.16

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Solution

The fourth proportional to 342,707.16, 514,046.16 and 93,389.16 is: 140,079.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,707.16 : 514,046.16 = 93,389.16 : x
  2. Step 2: Convert to fraction form
    342,707.16/514,046.16 = 93,389.16/x
  3. Step 3: Cross multiply
    342,707.16x = 514,046.16 × 93,389.16
  4. Step 4: Simplify right side
    342,707.16x = 48,006,339,083.63
  5. Step 5: Solve for x
    x = 48,006,339,083.63/342,707.16
  6. Step 6: Final answer
    x = 140,079.77

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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.