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Finding the Fourth Proportional to 84,651.48, 116,785.80 and 59,151.06

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Solution

The fourth proportional to 84,651.48, 116,785.80 and 59,151.06 is: 81,605.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,651.48 : 116,785.80 = 59,151.06 : x
  2. Step 2: Convert to fraction form
    84,651.48/116,785.80 = 59,151.06/x
  3. Step 3: Cross multiply
    84,651.48x = 116,785.80 × 59,151.06
  4. Step 4: Simplify right side
    84,651.48x = 6,908,003,862.95
  5. Step 5: Solve for x
    x = 6,908,003,862.95/84,651.48
  6. Step 6: Final answer
    x = 81,605.23

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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.