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Finding the Fourth Proportional to 84,730.88, 116,934.08 and 47,005.13

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Solution

The fourth proportional to 84,730.88, 116,934.08 and 47,005.13 is: 64,870.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,730.88 : 116,934.08 = 47,005.13 : x
  2. Step 2: Convert to fraction form
    84,730.88/116,934.08 = 47,005.13/x
  3. Step 3: Cross multiply
    84,730.88x = 116,934.08 × 47,005.13
  4. Step 4: Simplify right side
    84,730.88x = 5,496,500,812.13
  5. Step 5: Solve for x
    x = 5,496,500,812.13/84,730.88
  6. Step 6: Final answer
    x = 64,870.11

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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.