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Finding the Fourth Proportional to 99,222.47, 136,928.03 and 53,901.35

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Solution

The fourth proportional to 99,222.47, 136,928.03 and 53,901.35 is: 74,384.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,222.47 : 136,928.03 = 53,901.35 : x
  2. Step 2: Convert to fraction form
    99,222.47/136,928.03 = 53,901.35/x
  3. Step 3: Cross multiply
    99,222.47x = 136,928.03 × 53,901.35
  4. Step 4: Simplify right side
    99,222.47x = 7,380,604,715.69
  5. Step 5: Solve for x
    x = 7,380,604,715.69/99,222.47
  6. Step 6: Final answer
    x = 74,384.41

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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.