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Finding the Fourth Proportional to 165,482.67, 228,356.42 and 92,878.81

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Solution

The fourth proportional to 165,482.67, 228,356.42 and 92,878.81 is: 128,167.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,482.67 : 228,356.42 = 92,878.81 : x
  2. Step 2: Convert to fraction form
    165,482.67/228,356.42 = 92,878.81/x
  3. Step 3: Cross multiply
    165,482.67x = 228,356.42 × 92,878.81
  4. Step 4: Simplify right side
    165,482.67x = 21,209,472,545.46
  5. Step 5: Solve for x
    x = 21,209,472,545.46/165,482.67
  6. Step 6: Final answer
    x = 128,167.33

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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.