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Finding the Fourth Proportional to 180,010.40, 269,432.40 and 127,522.40

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Solution

The fourth proportional to 180,010.40, 269,432.40 and 127,522.40 is: 190,870.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,010.40 : 269,432.40 = 127,522.40 : x
  2. Step 2: Convert to fraction form
    180,010.40/269,432.40 = 127,522.40/x
  3. Step 3: Cross multiply
    180,010.40x = 269,432.40 × 127,522.40
  4. Step 4: Simplify right side
    180,010.40x = 34,358,666,285.76
  5. Step 5: Solve for x
    x = 34,358,666,285.76/180,010.40
  6. Step 6: Final answer
    x = 190,870.45

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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.