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Finding the Fourth Proportional to 158,697.60, 237,585.60 and 154,089.60

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Solution

The fourth proportional to 158,697.60, 237,585.60 and 154,089.60 is: 230,686.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,697.60 : 237,585.60 = 154,089.60 : x
  2. Step 2: Convert to fraction form
    158,697.60/237,585.60 = 154,089.60/x
  3. Step 3: Cross multiply
    158,697.60x = 237,585.60 × 154,089.60
  4. Step 4: Simplify right side
    158,697.60x = 36,609,470,069.76
  5. Step 5: Solve for x
    x = 36,609,470,069.76/158,697.60
  6. Step 6: Final answer
    x = 230,686.98

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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.