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Finding the Fourth Proportional to 99,222.76, 136,936.74 and 70,594.12

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Solution

The fourth proportional to 99,222.76, 136,936.74 and 70,594.12 is: 97,426.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,222.76 : 136,936.74 = 70,594.12 : x
  2. Step 2: Convert to fraction form
    99,222.76/136,936.74 = 70,594.12/x
  3. Step 3: Cross multiply
    99,222.76x = 136,936.74 × 70,594.12
  4. Step 4: Simplify right side
    99,222.76x = 9,666,928,655.97
  5. Step 5: Solve for x
    x = 9,666,928,655.97/99,222.76
  6. Step 6: Final answer
    x = 97,426.52

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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.