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Finding the Fourth Proportional to 127,946.70, 191,920.05 and 44,840.70

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Solution

The fourth proportional to 127,946.70, 191,920.05 and 44,840.70 is: 67,261.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,946.70 : 191,920.05 = 44,840.70 : x
  2. Step 2: Convert to fraction form
    127,946.70/191,920.05 = 44,840.70/x
  3. Step 3: Cross multiply
    127,946.70x = 191,920.05 × 44,840.70
  4. Step 4: Simplify right side
    127,946.70x = 8,605,829,386.04
  5. Step 5: Solve for x
    x = 8,605,829,386.04/127,946.70
  6. Step 6: Final answer
    x = 67,261.05

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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.