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Finding the Fourth Proportional to 148,753.08, 223,030.53 and 53,970.98

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Solution

The fourth proportional to 148,753.08, 223,030.53 and 53,970.98 is: 80,920.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,753.08 : 223,030.53 = 53,970.98 : x
  2. Step 2: Convert to fraction form
    148,753.08/223,030.53 = 53,970.98/x
  3. Step 3: Cross multiply
    148,753.08x = 223,030.53 × 53,970.98
  4. Step 4: Simplify right side
    148,753.08x = 12,037,175,158.87
  5. Step 5: Solve for x
    x = 12,037,175,158.87/148,753.08
  6. Step 6: Final answer
    x = 80,920.51

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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.