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Finding the Fourth Proportional to 160,064.90, 220,886.34 and 88,443.08

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Solution

The fourth proportional to 160,064.90, 220,886.34 and 88,443.08 is: 122,049.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,064.90 : 220,886.34 = 88,443.08 : x
  2. Step 2: Convert to fraction form
    160,064.90/220,886.34 = 88,443.08/x
  3. Step 3: Cross multiply
    160,064.90x = 220,886.34 × 88,443.08
  4. Step 4: Simplify right side
    160,064.90x = 19,535,868,239.53
  5. Step 5: Solve for x
    x = 19,535,868,239.53/160,064.90
  6. Step 6: Final answer
    x = 122,049.67

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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.