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Finding the Fourth Proportional to 110,315.29, 152,228.88 and 61,912.71

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Solution

The fourth proportional to 110,315.29, 152,228.88 and 61,912.71 is: 85,436.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,315.29 : 152,228.88 = 61,912.71 : x
  2. Step 2: Convert to fraction form
    110,315.29/152,228.88 = 61,912.71/x
  3. Step 3: Cross multiply
    110,315.29x = 152,228.88 × 61,912.71
  4. Step 4: Simplify right side
    110,315.29x = 9,424,901,430.36
  5. Step 5: Solve for x
    x = 9,424,901,430.36/110,315.29
  6. Step 6: Final answer
    x = 85,436.04

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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.