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Finding the Fourth Proportional to 69,065.36, 103,085.48 and 59,536.88

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Solution

The fourth proportional to 69,065.36, 103,085.48 and 59,536.88 is: 88,863.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,065.36 : 103,085.48 = 59,536.88 : x
  2. Step 2: Convert to fraction form
    69,065.36/103,085.48 = 59,536.88/x
  3. Step 3: Cross multiply
    69,065.36x = 103,085.48 × 59,536.88
  4. Step 4: Simplify right side
    69,065.36x = 6,137,387,852.50
  5. Step 5: Solve for x
    x = 6,137,387,852.50/69,065.36
  6. Step 6: Final answer
    x = 88,863.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.