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Finding the Fourth Proportional to 157,060.40, 235,590.60 and 154,468.40

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Solution

The fourth proportional to 157,060.40, 235,590.60 and 154,468.40 is: 231,702.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,060.40 : 235,590.60 = 154,468.40 : x
  2. Step 2: Convert to fraction form
    157,060.40/235,590.60 = 154,468.40/x
  3. Step 3: Cross multiply
    157,060.40x = 235,590.60 × 154,468.40
  4. Step 4: Simplify right side
    157,060.40x = 36,391,303,037.04
  5. Step 5: Solve for x
    x = 36,391,303,037.04/157,060.40
  6. Step 6: Final answer
    x = 231,702.60

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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.