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Finding the Fourth Proportional to 118,133.37, 163,024.25 and 69,737.49

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Solution

The fourth proportional to 118,133.37, 163,024.25 and 69,737.49 is: 96,237.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,133.37 : 163,024.25 = 69,737.49 : x
  2. Step 2: Convert to fraction form
    118,133.37/163,024.25 = 69,737.49/x
  3. Step 3: Cross multiply
    118,133.37x = 163,024.25 × 69,737.49
  4. Step 4: Simplify right side
    118,133.37x = 11,368,901,655.45
  5. Step 5: Solve for x
    x = 11,368,901,655.45/118,133.37
  6. Step 6: Final answer
    x = 96,237.85

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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.