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Finding the Fourth Proportional to 176,557.68, 264,953.16 and 83,070.72

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Solution

The fourth proportional to 176,557.68, 264,953.16 and 83,070.72 is: 124,660.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,557.68 : 264,953.16 = 83,070.72 : x
  2. Step 2: Convert to fraction form
    176,557.68/264,953.16 = 83,070.72/x
  3. Step 3: Cross multiply
    176,557.68x = 264,953.16 × 83,070.72
  4. Step 4: Simplify right side
    176,557.68x = 22,009,849,767.48
  5. Step 5: Solve for x
    x = 22,009,849,767.48/176,557.68
  6. Step 6: Final answer
    x = 124,660.96

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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.