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Finding the Fourth Proportional to 157,074.10, 235,611.15 and 125,970.10

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Solution

The fourth proportional to 157,074.10, 235,611.15 and 125,970.10 is: 188,955.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,074.10 : 235,611.15 = 125,970.10 : x
  2. Step 2: Convert to fraction form
    157,074.10/235,611.15 = 125,970.10/x
  3. Step 3: Cross multiply
    157,074.10x = 235,611.15 × 125,970.10
  4. Step 4: Simplify right side
    157,074.10x = 29,679,960,126.62
  5. Step 5: Solve for x
    x = 29,679,960,126.62/157,074.10
  6. Step 6: Final answer
    x = 188,955.15

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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.