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Finding the Fourth Proportional to 70,046.19, 96,671.19 and 42,838.19

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Solution

The fourth proportional to 70,046.19, 96,671.19 and 42,838.19 is: 59,121.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,046.19 : 96,671.19 = 42,838.19 : x
  2. Step 2: Convert to fraction form
    70,046.19/96,671.19 = 42,838.19/x
  3. Step 3: Cross multiply
    70,046.19x = 96,671.19 × 42,838.19
  4. Step 4: Simplify right side
    70,046.19x = 4,141,219,046.42
  5. Step 5: Solve for x
    x = 4,141,219,046.42/70,046.19
  6. Step 6: Final answer
    x = 59,121.26

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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.