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Finding the Fourth Proportional to 145,843.59, 201,280.40 and 92,126.01

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Solution

The fourth proportional to 145,843.59, 201,280.40 and 92,126.01 is: 127,144.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,843.59 : 201,280.40 = 92,126.01 : x
  2. Step 2: Convert to fraction form
    145,843.59/201,280.40 = 92,126.01/x
  3. Step 3: Cross multiply
    145,843.59x = 201,280.40 × 92,126.01
  4. Step 4: Simplify right side
    145,843.59x = 18,543,159,682.57
  5. Step 5: Solve for x
    x = 18,543,159,682.57/145,843.59
  6. Step 6: Final answer
    x = 127,144.15

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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.