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Finding the Fourth Proportional to 165,758.84, 228,747.36 and 90,307.34

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Solution

The fourth proportional to 165,758.84, 228,747.36 and 90,307.34 is: 124,624.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,758.84 : 228,747.36 = 90,307.34 : x
  2. Step 2: Convert to fraction form
    165,758.84/228,747.36 = 90,307.34/x
  3. Step 3: Cross multiply
    165,758.84x = 228,747.36 × 90,307.34
  4. Step 4: Simplify right side
    165,758.84x = 20,657,565,613.62
  5. Step 5: Solve for x
    x = 20,657,565,613.62/165,758.84
  6. Step 6: Final answer
    x = 124,624.22

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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.