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Finding the Fourth Proportional to 152,026.70, 228,040.05 and 124,378.70

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Solution

The fourth proportional to 152,026.70, 228,040.05 and 124,378.70 is: 186,568.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,026.70 : 228,040.05 = 124,378.70 : x
  2. Step 2: Convert to fraction form
    152,026.70/228,040.05 = 124,378.70/x
  3. Step 3: Cross multiply
    152,026.70x = 228,040.05 × 124,378.70
  4. Step 4: Simplify right side
    152,026.70x = 28,363,324,966.94
  5. Step 5: Solve for x
    x = 28,363,324,966.94/152,026.70
  6. Step 6: Final answer
    x = 186,568.05

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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.