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Finding the Fourth Proportional to 159,925.66, 239,971.51 and 65,225.32

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Solution

The fourth proportional to 159,925.66, 239,971.51 and 65,225.32 is: 97,871.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,925.66 : 239,971.51 = 65,225.32 : x
  2. Step 2: Convert to fraction form
    159,925.66/239,971.51 = 65,225.32/x
  3. Step 3: Cross multiply
    159,925.66x = 239,971.51 × 65,225.32
  4. Step 4: Simplify right side
    159,925.66x = 15,652,218,012.24
  5. Step 5: Solve for x
    x = 15,652,218,012.24/159,925.66
  6. Step 6: Final answer
    x = 97,871.84

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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.