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Finding the Fourth Proportional to 134,572.77, 185,696.51 and 82,881.63

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Solution

The fourth proportional to 134,572.77, 185,696.51 and 82,881.63 is: 114,368.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,572.77 : 185,696.51 = 82,881.63 : x
  2. Step 2: Convert to fraction form
    134,572.77/185,696.51 = 82,881.63/x
  3. Step 3: Cross multiply
    134,572.77x = 185,696.51 × 82,881.63
  4. Step 4: Simplify right side
    134,572.77x = 15,390,829,019.70
  5. Step 5: Solve for x
    x = 15,390,829,019.70/134,572.77
  6. Step 6: Final answer
    x = 114,368.08

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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.