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Finding the Fourth Proportional to 127,360.40, 191,128.04 and 44,254.40

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Solution

The fourth proportional to 127,360.40, 191,128.04 and 44,254.40 is: 66,411.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,360.40 : 191,128.04 = 44,254.40 : x
  2. Step 2: Convert to fraction form
    127,360.40/191,128.04 = 44,254.40/x
  3. Step 3: Cross multiply
    127,360.40x = 191,128.04 × 44,254.40
  4. Step 4: Simplify right side
    127,360.40x = 8,458,256,733.38
  5. Step 5: Solve for x
    x = 8,458,256,733.38/127,360.40
  6. Step 6: Final answer
    x = 66,411.98

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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.