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Finding the Fourth Proportional to 84,472.40, 116,572.22 and 45,710.22

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Solution

The fourth proportional to 84,472.40, 116,572.22 and 45,710.22 is: 63,080.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,472.40 : 116,572.22 = 45,710.22 : x
  2. Step 2: Convert to fraction form
    84,472.40/116,572.22 = 45,710.22/x
  3. Step 3: Cross multiply
    84,472.40x = 116,572.22 × 45,710.22
  4. Step 4: Simplify right side
    84,472.40x = 5,328,542,373.51
  5. Step 5: Solve for x
    x = 5,328,542,373.51/84,472.40
  6. Step 6: Final answer
    x = 63,080.28

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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.