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Finding the Fourth Proportional to 153,626, 230,529.72 and 64,873.76

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Solution

The fourth proportional to 153,626, 230,529.72 and 64,873.76 is: 97,348.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,626 : 230,529.72 = 64,873.76 : x
  2. Step 2: Convert to fraction form
    153,626/230,529.72 = 64,873.76/x
  3. Step 3: Cross multiply
    153,626x = 230,529.72 × 64,873.76
  4. Step 4: Simplify right side
    153,626x = 14,955,329,728.15
  5. Step 5: Solve for x
    x = 14,955,329,728.15/153,626
  6. Step 6: Final answer
    x = 97,348.95

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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.