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Finding the Fourth Proportional to 157,074.40, 219,437.60 and 157,074.40

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Solution

The fourth proportional to 157,074.40, 219,437.60 and 157,074.40 is: 219,437.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,074.40 : 219,437.60 = 157,074.40 : x
  2. Step 2: Convert to fraction form
    157,074.40/219,437.60 = 157,074.40/x
  3. Step 3: Cross multiply
    157,074.40x = 219,437.60 × 157,074.40
  4. Step 4: Simplify right side
    157,074.40x = 34,468,029,357.44
  5. Step 5: Solve for x
    x = 34,468,029,357.44/157,074.40
  6. Step 6: Final answer
    x = 219,437.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.