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Finding the Fourth Proportional to 99,063.96, 148,600.98 and 28,948.92

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Solution

The fourth proportional to 99,063.96, 148,600.98 and 28,948.92 is: 43,424.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,063.96 : 148,600.98 = 28,948.92 : x
  2. Step 2: Convert to fraction form
    99,063.96/148,600.98 = 28,948.92/x
  3. Step 3: Cross multiply
    99,063.96x = 148,600.98 × 28,948.92
  4. Step 4: Simplify right side
    99,063.96x = 4,301,837,881.94
  5. Step 5: Solve for x
    x = 4,301,837,881.94/99,063.96
  6. Step 6: Final answer
    x = 43,424.85

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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.