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Finding the Fourth Proportional to 70,210.16, 96,890.20 and 41,915.20

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Solution

The fourth proportional to 70,210.16, 96,890.20 and 41,915.20 is: 57,843.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,210.16 : 96,890.20 = 41,915.20 : x
  2. Step 2: Convert to fraction form
    70,210.16/96,890.20 = 41,915.20/x
  3. Step 3: Cross multiply
    70,210.16x = 96,890.20 × 41,915.20
  4. Step 4: Simplify right side
    70,210.16x = 4,061,172,111.04
  5. Step 5: Solve for x
    x = 4,061,172,111.04/70,210.16
  6. Step 6: Final answer
    x = 57,843.08

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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.