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Finding the Fourth Proportional to 96,397.55, 144,344.81 and 77,574.77

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Solution

The fourth proportional to 96,397.55, 144,344.81 and 77,574.77 is: 116,159.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,397.55 : 144,344.81 = 77,574.77 : x
  2. Step 2: Convert to fraction form
    96,397.55/144,344.81 = 77,574.77/x
  3. Step 3: Cross multiply
    96,397.55x = 144,344.81 × 77,574.77
  4. Step 4: Simplify right side
    96,397.55x = 11,197,515,436.44
  5. Step 5: Solve for x
    x = 11,197,515,436.44/96,397.55
  6. Step 6: Final answer
    x = 116,159.75

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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.