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Finding the Fourth Proportional to 155,232,025.10, 217,643,340.10 and 155,232,025.10

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Solution

The fourth proportional to 155,232,025.10, 217,643,340.10 and 155,232,025.10 is: 217,643,340.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,232,025.10 : 217,643,340.10 = 155,232,025.10 : x
  2. Step 2: Convert to fraction form
    155,232,025.10/217,643,340.10 = 155,232,025.10/x
  3. Step 3: Cross multiply
    155,232,025.10x = 217,643,340.10 × 155,232,025.10
  4. Step 4: Simplify right side
    155,232,025.10x = 33,785,216,433,251,036
  5. Step 5: Solve for x
    x = 33,785,216,433,251,036/155,232,025.10
  6. Step 6: Final answer
    x = 217,643,340.10

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.