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Finding the Fourth Proportional to 101,015.57, 151,547.13 and 29,938.79

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Solution

The fourth proportional to 101,015.57, 151,547.13 and 29,938.79 is: 44,915.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,015.57 : 151,547.13 = 29,938.79 : x
  2. Step 2: Convert to fraction form
    101,015.57/151,547.13 = 29,938.79/x
  3. Step 3: Cross multiply
    101,015.57x = 151,547.13 × 29,938.79
  4. Step 4: Simplify right side
    101,015.57x = 4,537,137,761.00
  5. Step 5: Solve for x
    x = 4,537,137,761.00/101,015.57
  6. Step 6: Final answer
    x = 44,915.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.