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Finding the Fourth Proportional to 145,866.80, 194,127.26 and 145,866.80

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Solution

The fourth proportional to 145,866.80, 194,127.26 and 145,866.80 is: 194,127.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,866.80 : 194,127.26 = 145,866.80 : x
  2. Step 2: Convert to fraction form
    145,866.80/194,127.26 = 145,866.80/x
  3. Step 3: Cross multiply
    145,866.80x = 194,127.26 × 145,866.80
  4. Step 4: Simplify right side
    145,866.80x = 28,316,722,208.97
  5. Step 5: Solve for x
    x = 28,316,722,208.97/145,866.80
  6. Step 6: Final answer
    x = 194,127.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.