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Finding the Fourth Proportional to 113,587.31, 170,405.57 and 43,466.63

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Solution

The fourth proportional to 113,587.31, 170,405.57 and 43,466.63 is: 65,209.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,587.31 : 170,405.57 = 43,466.63 : x
  2. Step 2: Convert to fraction form
    113,587.31/170,405.57 = 43,466.63/x
  3. Step 3: Cross multiply
    113,587.31x = 170,405.57 × 43,466.63
  4. Step 4: Simplify right side
    113,587.31x = 7,406,955,117.77
  5. Step 5: Solve for x
    x = 7,406,955,117.77/113,587.31
  6. Step 6: Final answer
    x = 65,209.35

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1.5x scale

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.