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Finding the Fourth Proportional to 99,038.98, 148,572.58 and 32,484.30

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Solution

The fourth proportional to 99,038.98, 148,572.58 and 32,484.30 is: 48,731.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,038.98 : 148,572.58 = 32,484.30 : x
  2. Step 2: Convert to fraction form
    99,038.98/148,572.58 = 32,484.30/x
  3. Step 3: Cross multiply
    99,038.98x = 148,572.58 × 32,484.30
  4. Step 4: Simplify right side
    99,038.98x = 4,826,276,260.49
  5. Step 5: Solve for x
    x = 4,826,276,260.49/99,038.98
  6. Step 6: Final answer
    x = 48,731.08

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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.