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Finding the Fourth Proportional to 104,552.68, 156,529.50 and 97,931.24

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Solution

The fourth proportional to 104,552.68, 156,529.50 and 97,931.24 is: 146,616.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,552.68 : 156,529.50 = 97,931.24 : x
  2. Step 2: Convert to fraction form
    104,552.68/156,529.50 = 97,931.24/x
  3. Step 3: Cross multiply
    104,552.68x = 156,529.50 × 97,931.24
  4. Step 4: Simplify right side
    104,552.68x = 15,329,128,031.58
  5. Step 5: Solve for x
    x = 15,329,128,031.58/104,552.68
  6. Step 6: Final answer
    x = 146,616.31

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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.