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Finding the Fourth Proportional to 157,214.70, 235,476.45 and 153,758.70

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Solution

The fourth proportional to 157,214.70, 235,476.45 and 153,758.70 is: 230,300.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,214.70 : 235,476.45 = 153,758.70 : x
  2. Step 2: Convert to fraction form
    157,214.70/235,476.45 = 153,758.70/x
  3. Step 3: Cross multiply
    157,214.70x = 235,476.45 × 153,758.70
  4. Step 4: Simplify right side
    157,214.70x = 36,206,552,832.62
  5. Step 5: Solve for x
    x = 36,206,552,832.62/157,214.70
  6. Step 6: Final answer
    x = 230,300.05

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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.