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Finding the Fourth Proportional to 124,597.94, 171,939.17 and 70,877.93

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Solution

The fourth proportional to 124,597.94, 171,939.17 and 70,877.93 is: 97,808.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,597.94 : 171,939.17 = 70,877.93 : x
  2. Step 2: Convert to fraction form
    124,597.94/171,939.17 = 70,877.93/x
  3. Step 3: Cross multiply
    124,597.94x = 171,939.17 × 70,877.93
  4. Step 4: Simplify right side
    124,597.94x = 12,186,691,773.02
  5. Step 5: Solve for x
    x = 12,186,691,773.02/124,597.94
  6. Step 6: Final answer
    x = 97,808.14

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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.