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Finding the Fourth Proportional to 92,484, 127,605.65 and 56,184.39

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Solution

The fourth proportional to 92,484, 127,605.65 and 56,184.39 is: 77,520.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,484 : 127,605.65 = 56,184.39 : x
  2. Step 2: Convert to fraction form
    92,484/127,605.65 = 56,184.39/x
  3. Step 3: Cross multiply
    92,484x = 127,605.65 × 56,184.39
  4. Step 4: Simplify right side
    92,484x = 7,169,445,324.88
  5. Step 5: Solve for x
    x = 7,169,445,324.88/92,484
  6. Step 6: Final answer
    x = 77,520.93

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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.