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Finding the Fourth Proportional to 125,322.46, 186,681.44 and 118,531.82

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Solution

The fourth proportional to 125,322.46, 186,681.44 and 118,531.82 is: 176,566.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,322.46 : 186,681.44 = 118,531.82 : x
  2. Step 2: Convert to fraction form
    125,322.46/186,681.44 = 118,531.82/x
  3. Step 3: Cross multiply
    125,322.46x = 186,681.44 × 118,531.82
  4. Step 4: Simplify right side
    125,322.46x = 22,127,691,606.45
  5. Step 5: Solve for x
    x = 22,127,691,606.45/125,322.46
  6. Step 6: Final answer
    x = 176,566.05

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.