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Finding the Fourth Proportional to 239,019.76, 358,446.04 and 70,495.34

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Solution

The fourth proportional to 239,019.76, 358,446.04 and 70,495.34 is: 105,718.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,019.76 : 358,446.04 = 70,495.34 : x
  2. Step 2: Convert to fraction form
    239,019.76/358,446.04 = 70,495.34/x
  3. Step 3: Cross multiply
    239,019.76x = 358,446.04 × 70,495.34
  4. Step 4: Simplify right side
    239,019.76x = 25,268,775,461.45
  5. Step 5: Solve for x
    x = 25,268,775,461.45/239,019.76
  6. Step 6: Final answer
    x = 105,718.35

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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.