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Finding the Fourth Proportional to 325,465.29, 487,853.48 and 148,096.87

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Solution

The fourth proportional to 325,465.29, 487,853.48 and 148,096.87 is: 221,988.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,465.29 : 487,853.48 = 148,096.87 : x
  2. Step 2: Convert to fraction form
    325,465.29/487,853.48 = 148,096.87/x
  3. Step 3: Cross multiply
    325,465.29x = 487,853.48 × 148,096.87
  4. Step 4: Simplify right side
    325,465.29x = 72,249,572,557.22
  5. Step 5: Solve for x
    x = 72,249,572,557.22/325,465.29
  6. Step 6: Final answer
    x = 221,988.56

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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.