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Finding the Fourth Proportional to 99,698.91, 149,547.60 and 24,818.54

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Solution

The fourth proportional to 99,698.91, 149,547.60 and 24,818.54 is: 37,227.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,698.91 : 149,547.60 = 24,818.54 : x
  2. Step 2: Convert to fraction form
    99,698.91/149,547.60 = 24,818.54/x
  3. Step 3: Cross multiply
    99,698.91x = 149,547.60 × 24,818.54
  4. Step 4: Simplify right side
    99,698.91x = 3,711,553,092.50
  5. Step 5: Solve for x
    x = 3,711,553,092.50/99,698.91
  6. Step 6: Final answer
    x = 37,227.62

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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.