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Finding the Fourth Proportional to 158,322.60, 237,152.70 and 74,154.60

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Solution

The fourth proportional to 158,322.60, 237,152.70 and 74,154.60 is: 111,076.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,322.60 : 237,152.70 = 74,154.60 : x
  2. Step 2: Convert to fraction form
    158,322.60/237,152.70 = 74,154.60/x
  3. Step 3: Cross multiply
    158,322.60x = 237,152.70 × 74,154.60
  4. Step 4: Simplify right side
    158,322.60x = 17,585,963,607.42
  5. Step 5: Solve for x
    x = 17,585,963,607.42/158,322.60
  6. Step 6: Final answer
    x = 111,076.77

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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.