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Finding the Fourth Proportional to 99,060.96, 148,596.48 and 28,945.92

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Solution

The fourth proportional to 99,060.96, 148,596.48 and 28,945.92 is: 43,420.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,060.96 : 148,596.48 = 28,945.92 : x
  2. Step 2: Convert to fraction form
    99,060.96/148,596.48 = 28,945.92/x
  3. Step 3: Cross multiply
    99,060.96x = 148,596.48 × 28,945.92
  4. Step 4: Simplify right side
    99,060.96x = 4,301,261,822.36
  5. Step 5: Solve for x
    x = 4,301,261,822.36/99,060.96
  6. Step 6: Final answer
    x = 43,420.35

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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.