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Finding the Fourth Proportional to 230,482.18, 345,774.05 and 70,559.32

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Solution

The fourth proportional to 230,482.18, 345,774.05 and 70,559.32 is: 105,854.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,482.18 : 345,774.05 = 70,559.32 : x
  2. Step 2: Convert to fraction form
    230,482.18/345,774.05 = 70,559.32/x
  3. Step 3: Cross multiply
    230,482.18x = 345,774.05 × 70,559.32
  4. Step 4: Simplify right side
    230,482.18x = 24,397,582,701.69
  5. Step 5: Solve for x
    x = 24,397,582,701.69/230,482.18
  6. Step 6: Final answer
    x = 105,854.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.