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Finding the Fourth Proportional to 122,576.68, 169,008.64 and 88,530.76

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Solution

The fourth proportional to 122,576.68, 169,008.64 and 88,530.76 is: 122,066.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,576.68 : 169,008.64 = 88,530.76 : x
  2. Step 2: Convert to fraction form
    122,576.68/169,008.64 = 88,530.76/x
  3. Step 3: Cross multiply
    122,576.68x = 169,008.64 × 88,530.76
  4. Step 4: Simplify right side
    122,576.68x = 14,962,463,345.77
  5. Step 5: Solve for x
    x = 14,962,463,345.77/122,576.68
  6. Step 6: Final answer
    x = 122,066.15

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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.