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Finding the Fourth Proportional to 148,317.60, 222,476.40 and 122,948.40

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Solution

The fourth proportional to 148,317.60, 222,476.40 and 122,948.40 is: 184,422.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,317.60 : 222,476.40 = 122,948.40 : x
  2. Step 2: Convert to fraction form
    148,317.60/222,476.40 = 122,948.40/x
  3. Step 3: Cross multiply
    148,317.60x = 222,476.40 × 122,948.40
  4. Step 4: Simplify right side
    148,317.60x = 27,353,117,417.76
  5. Step 5: Solve for x
    x = 27,353,117,417.76/148,317.60
  6. Step 6: Final answer
    x = 184,422.60

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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.