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Finding the Fourth Proportional to 96,407.98, 144,423.63 and 66,416.92

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Solution

The fourth proportional to 96,407.98, 144,423.63 and 66,416.92 is: 99,495.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,407.98 : 144,423.63 = 66,416.92 : x
  2. Step 2: Convert to fraction form
    96,407.98/144,423.63 = 66,416.92/x
  3. Step 3: Cross multiply
    96,407.98x = 144,423.63 × 66,416.92
  4. Step 4: Simplify right side
    96,407.98x = 9,592,172,679.82
  5. Step 5: Solve for x
    x = 9,592,172,679.82/96,407.98
  6. Step 6: Final answer
    x = 99,495.63

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1.5x scale

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.