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Finding the Fourth Proportional to 134,427.40, 201,641.10 and 127,866.40

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Solution

The fourth proportional to 134,427.40, 201,641.10 and 127,866.40 is: 191,799.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,427.40 : 201,641.10 = 127,866.40 : x
  2. Step 2: Convert to fraction form
    134,427.40/201,641.10 = 127,866.40/x
  3. Step 3: Cross multiply
    134,427.40x = 201,641.10 × 127,866.40
  4. Step 4: Simplify right side
    134,427.40x = 25,783,121,549.04
  5. Step 5: Solve for x
    x = 25,783,121,549.04/134,427.40
  6. Step 6: Final answer
    x = 191,799.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.