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Finding the Fourth Proportional to 132,626.68, 183,024.30 and 72,200.68

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Solution

The fourth proportional to 132,626.68, 183,024.30 and 72,200.68 is: 99,636.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,626.68 : 183,024.30 = 72,200.68 : x
  2. Step 2: Convert to fraction form
    132,626.68/183,024.30 = 72,200.68/x
  3. Step 3: Cross multiply
    132,626.68x = 183,024.30 × 72,200.68
  4. Step 4: Simplify right side
    132,626.68x = 13,214,478,916.52
  5. Step 5: Solve for x
    x = 13,214,478,916.52/132,626.68
  6. Step 6: Final answer
    x = 99,636.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.