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Finding the Fourth Proportional to 164,427.70, 246,641.55 and 157,515.70

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Solution

The fourth proportional to 164,427.70, 246,641.55 and 157,515.70 is: 236,273.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,427.70 : 246,641.55 = 157,515.70 : x
  2. Step 2: Convert to fraction form
    164,427.70/246,641.55 = 157,515.70/x
  3. Step 3: Cross multiply
    164,427.70x = 246,641.55 × 157,515.70
  4. Step 4: Simplify right side
    164,427.70x = 38,849,916,397.34
  5. Step 5: Solve for x
    x = 38,849,916,397.34/164,427.70
  6. Step 6: Final answer
    x = 236,273.55

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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.