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Finding the Fourth Proportional to 70,886.57, 97,859.62 and 48,037.10

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Solution

The fourth proportional to 70,886.57, 97,859.62 and 48,037.10 is: 66,315.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,886.57 : 97,859.62 = 48,037.10 : x
  2. Step 2: Convert to fraction form
    70,886.57/97,859.62 = 48,037.10/x
  3. Step 3: Cross multiply
    70,886.57x = 97,859.62 × 48,037.10
  4. Step 4: Simplify right side
    70,886.57x = 4,700,892,165.78
  5. Step 5: Solve for x
    x = 4,700,892,165.78/70,886.57
  6. Step 6: Final answer
    x = 66,315.70

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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.