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Finding the Fourth Proportional to 86,065.56, 118,768.95 and 52,531.56

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Solution

The fourth proportional to 86,065.56, 118,768.95 and 52,531.56 is: 72,492.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,065.56 : 118,768.95 = 52,531.56 : x
  2. Step 2: Convert to fraction form
    86,065.56/118,768.95 = 52,531.56/x
  3. Step 3: Cross multiply
    86,065.56x = 118,768.95 × 52,531.56
  4. Step 4: Simplify right side
    86,065.56x = 6,239,118,223.06
  5. Step 5: Solve for x
    x = 6,239,118,223.06/86,065.56
  6. Step 6: Final answer
    x = 72,492.62

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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.