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Finding the Fourth Proportional to 158,680.08, 237,838.68 and 65,070

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Solution

The fourth proportional to 158,680.08, 237,838.68 and 65,070 is: 97,530.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,680.08 : 237,838.68 = 65,070 : x
  2. Step 2: Convert to fraction form
    158,680.08/237,838.68 = 65,070/x
  3. Step 3: Cross multiply
    158,680.08x = 237,838.68 × 65,070
  4. Step 4: Simplify right side
    158,680.08x = 15,476,162,907.60
  5. Step 5: Solve for x
    x = 15,476,162,907.60/158,680.08
  6. Step 6: Final answer
    x = 97,530.60

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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.