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Finding the Fourth Proportional to 93,045.34, 139,515.15 and 63,498.97

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Solution

The fourth proportional to 93,045.34, 139,515.15 and 63,498.97 is: 95,212.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,045.34 : 139,515.15 = 63,498.97 : x
  2. Step 2: Convert to fraction form
    93,045.34/139,515.15 = 63,498.97/x
  3. Step 3: Cross multiply
    93,045.34x = 139,515.15 × 63,498.97
  4. Step 4: Simplify right side
    93,045.34x = 8,859,067,626.82
  5. Step 5: Solve for x
    x = 8,859,067,626.82/93,045.34
  6. Step 6: Final answer
    x = 95,212.38

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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.