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Finding the Fourth Proportional to 193,652.34, 290,508.03 and 98,830.74

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Solution

The fourth proportional to 193,652.34, 290,508.03 and 98,830.74 is: 148,261.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,652.34 : 290,508.03 = 98,830.74 : x
  2. Step 2: Convert to fraction form
    193,652.34/290,508.03 = 98,830.74/x
  3. Step 3: Cross multiply
    193,652.34x = 290,508.03 × 98,830.74
  4. Step 4: Simplify right side
    193,652.34x = 28,711,123,580.84
  5. Step 5: Solve for x
    x = 28,711,123,580.84/193,652.34
  6. Step 6: Final answer
    x = 148,261.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.