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Finding the Fourth Proportional to 92,395.33, 127,510.53 and 54,155.63

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Solution

The fourth proportional to 92,395.33, 127,510.53 and 54,155.63 is: 74,737.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,395.33 : 127,510.53 = 54,155.63 : x
  2. Step 2: Convert to fraction form
    92,395.33/127,510.53 = 54,155.63/x
  3. Step 3: Cross multiply
    92,395.33x = 127,510.53 × 54,155.63
  4. Step 4: Simplify right side
    92,395.33x = 6,905,413,083.78
  5. Step 5: Solve for x
    x = 6,905,413,083.78/92,395.33
  6. Step 6: Final answer
    x = 74,737.69

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1.5x scale

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.