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Finding the Fourth Proportional to 127,166.70, 190,692.45 and 48,254.70

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Solution

The fourth proportional to 127,166.70, 190,692.45 and 48,254.70 is: 72,360.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,166.70 : 190,692.45 = 48,254.70 : x
  2. Step 2: Convert to fraction form
    127,166.70/190,692.45 = 48,254.70/x
  3. Step 3: Cross multiply
    127,166.70x = 190,692.45 × 48,254.70
  4. Step 4: Simplify right side
    127,166.70x = 9,201,806,967.02
  5. Step 5: Solve for x
    x = 9,201,806,967.02/127,166.70
  6. Step 6: Final answer
    x = 72,360.19

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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.