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Finding the Fourth Proportional to 118,059.98, 162,918.02 and 64,343.84

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Solution

The fourth proportional to 118,059.98, 162,918.02 and 64,343.84 is: 88,791.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,059.98 : 162,918.02 = 64,343.84 : x
  2. Step 2: Convert to fraction form
    118,059.98/162,918.02 = 64,343.84/x
  3. Step 3: Cross multiply
    118,059.98x = 162,918.02 × 64,343.84
  4. Step 4: Simplify right side
    118,059.98x = 10,482,771,012.00
  5. Step 5: Solve for x
    x = 10,482,771,012.00/118,059.98
  6. Step 6: Final answer
    x = 88,791.91

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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.