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Finding the Fourth Proportional to 127,487.88, 191,056.86 and 65,027.16

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Solution

The fourth proportional to 127,487.88, 191,056.86 and 65,027.16 is: 97,451.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,487.88 : 191,056.86 = 65,027.16 : x
  2. Step 2: Convert to fraction form
    127,487.88/191,056.86 = 65,027.16/x
  3. Step 3: Cross multiply
    127,487.88x = 191,056.86 × 65,027.16
  4. Step 4: Simplify right side
    127,487.88x = 12,423,885,004.32
  5. Step 5: Solve for x
    x = 12,423,885,004.32/127,487.88
  6. Step 6: Final answer
    x = 97,451.50

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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.