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Finding the Fourth Proportional to 99,653.71, 137,444.34 and 63,847.06

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Solution

The fourth proportional to 99,653.71, 137,444.34 and 63,847.06 is: 88,059.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,653.71 : 137,444.34 = 63,847.06 : x
  2. Step 2: Convert to fraction form
    99,653.71/137,444.34 = 63,847.06/x
  3. Step 3: Cross multiply
    99,653.71x = 137,444.34 × 63,847.06
  4. Step 4: Simplify right side
    99,653.71x = 8,775,417,022.64
  5. Step 5: Solve for x
    x = 8,775,417,022.64/99,653.71
  6. Step 6: Final answer
    x = 88,059.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.