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Finding the Fourth Proportional to 161,211.84, 222,454.64 and 93,218.52

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Solution

The fourth proportional to 161,211.84, 222,454.64 and 93,218.52 is: 128,631.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,211.84 : 222,454.64 = 93,218.52 : x
  2. Step 2: Convert to fraction form
    161,211.84/222,454.64 = 93,218.52/x
  3. Step 3: Cross multiply
    161,211.84x = 222,454.64 × 93,218.52
  4. Step 4: Simplify right side
    161,211.84x = 20,736,892,307.93
  5. Step 5: Solve for x
    x = 20,736,892,307.93/161,211.84
  6. Step 6: Final answer
    x = 128,631.32

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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.