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Finding the Fourth Proportional to 158,621, 237,931.50 and 60,125

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Solution

The fourth proportional to 158,621, 237,931.50 and 60,125 is: 90,187.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,621 : 237,931.50 = 60,125 : x
  2. Step 2: Convert to fraction form
    158,621/237,931.50 = 60,125/x
  3. Step 3: Cross multiply
    158,621x = 237,931.50 × 60,125
  4. Step 4: Simplify right side
    158,621x = 14,305,631,437.50
  5. Step 5: Solve for x
    x = 14,305,631,437.50/158,621
  6. Step 6: Final answer
    x = 90,187.50

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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.