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Finding the Fourth Proportional to 158,609.30, 237,712.35 and 65,009.30

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Solution

The fourth proportional to 158,609.30, 237,712.35 and 65,009.30 is: 97,431.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,609.30 : 237,712.35 = 65,009.30 : x
  2. Step 2: Convert to fraction form
    158,609.30/237,712.35 = 65,009.30/x
  3. Step 3: Cross multiply
    158,609.30x = 237,712.35 × 65,009.30
  4. Step 4: Simplify right side
    158,609.30x = 15,453,513,474.86
  5. Step 5: Solve for x
    x = 15,453,513,474.86/158,609.30
  6. Step 6: Final answer
    x = 97,431.32

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1.5x scale

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.