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Finding the Fourth Proportional to 70,461.80, 97,238.08 and 40,251.12

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Solution

The fourth proportional to 70,461.80, 97,238.08 and 40,251.12 is: 55,547.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,461.80 : 97,238.08 = 40,251.12 : x
  2. Step 2: Convert to fraction form
    70,461.80/97,238.08 = 40,251.12/x
  3. Step 3: Cross multiply
    70,461.80x = 97,238.08 × 40,251.12
  4. Step 4: Simplify right side
    70,461.80x = 3,913,941,626.65
  5. Step 5: Solve for x
    x = 3,913,941,626.65/70,461.80
  6. Step 6: Final answer
    x = 55,547.00

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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.