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Finding the Fourth Proportional to 113,320.99, 169,904.80 and 63,435.52

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Solution

The fourth proportional to 113,320.99, 169,904.80 and 63,435.52 is: 95,110.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,320.99 : 169,904.80 = 63,435.52 : x
  2. Step 2: Convert to fraction form
    113,320.99/169,904.80 = 63,435.52/x
  3. Step 3: Cross multiply
    113,320.99x = 169,904.80 × 63,435.52
  4. Step 4: Simplify right side
    113,320.99x = 10,777,999,338.50
  5. Step 5: Solve for x
    x = 10,777,999,338.50/113,320.99
  6. Step 6: Final answer
    x = 95,110.35

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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.