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Finding the Fourth Proportional to 239,155,719.40, 358,166,708.70 and 239,155,719.40

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Solution

The fourth proportional to 239,155,719.40, 358,166,708.70 and 239,155,719.40 is: 358,166,708.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,155,719.40 : 358,166,708.70 = 239,155,719.40 : x
  2. Step 2: Convert to fraction form
    239,155,719.40/358,166,708.70 = 239,155,719.40/x
  3. Step 3: Cross multiply
    239,155,719.40x = 358,166,708.70 × 239,155,719.40
  4. Step 4: Simplify right side
    239,155,719.40x = 85,657,616,884,278,736
  5. Step 5: Solve for x
    x = 85,657,616,884,278,736/239,155,719.40
  6. Step 6: Final answer
    x = 358,166,708.70

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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.