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Finding the Fourth Proportional to 118,881.99, 164,073.93 and 73,574.55

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Solution

The fourth proportional to 118,881.99, 164,073.93 and 73,574.55 is: 101,543.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,881.99 : 164,073.93 = 73,574.55 : x
  2. Step 2: Convert to fraction form
    118,881.99/164,073.93 = 73,574.55/x
  3. Step 3: Cross multiply
    118,881.99x = 164,073.93 × 73,574.55
  4. Step 4: Simplify right side
    118,881.99x = 12,071,665,566.48
  5. Step 5: Solve for x
    x = 12,071,665,566.48/118,881.99
  6. Step 6: Final answer
    x = 101,543.27

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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.