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Finding the Fourth Proportional to 148,248.42, 222,384.88 and 48,406.40

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Solution

The fourth proportional to 148,248.42, 222,384.88 and 48,406.40 is: 72,613.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,248.42 : 222,384.88 = 48,406.40 : x
  2. Step 2: Convert to fraction form
    148,248.42/222,384.88 = 48,406.40/x
  3. Step 3: Cross multiply
    148,248.42x = 222,384.88 × 48,406.40
  4. Step 4: Simplify right side
    148,248.42x = 10,764,851,455.23
  5. Step 5: Solve for x
    x = 10,764,851,455.23/148,248.42
  6. Step 6: Final answer
    x = 72,613.60

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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.