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Finding the Fourth Proportional to 342,746.88, 514,225.43 and 153,366.68

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Solution

The fourth proportional to 342,746.88, 514,225.43 and 153,366.68 is: 230,097.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,746.88 : 514,225.43 = 153,366.68 : x
  2. Step 2: Convert to fraction form
    342,746.88/514,225.43 = 153,366.68/x
  3. Step 3: Cross multiply
    342,746.88x = 514,225.43 × 153,366.68
  4. Step 4: Simplify right side
    342,746.88x = 78,865,043,632.71
  5. Step 5: Solve for x
    x = 78,865,043,632.71/342,746.88
  6. Step 6: Final answer
    x = 230,097.04

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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.