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Finding the Fourth Proportional to 99,501.84, 149,106.96 and 74,424.24

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Solution

The fourth proportional to 99,501.84, 149,106.96 and 74,424.24 is: 111,527.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,501.84 : 149,106.96 = 74,424.24 : x
  2. Step 2: Convert to fraction form
    99,501.84/149,106.96 = 74,424.24/x
  3. Step 3: Cross multiply
    99,501.84x = 149,106.96 × 74,424.24
  4. Step 4: Simplify right side
    99,501.84x = 11,097,172,176.71
  5. Step 5: Solve for x
    x = 11,097,172,176.71/99,501.84
  6. Step 6: Final answer
    x = 111,527.31

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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.