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Finding the Fourth Proportional to 161,468.02, 222,830.76 and 93,478.71

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Solution

The fourth proportional to 161,468.02, 222,830.76 and 93,478.71 is: 129,003.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,468.02 : 222,830.76 = 93,478.71 : x
  2. Step 2: Convert to fraction form
    161,468.02/222,830.76 = 93,478.71/x
  3. Step 3: Cross multiply
    161,468.02x = 222,830.76 × 93,478.71
  4. Step 4: Simplify right side
    161,468.02x = 20,829,931,993.12
  5. Step 5: Solve for x
    x = 20,829,931,993.12/161,468.02
  6. Step 6: Final answer
    x = 129,003.45

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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.