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Finding the Fourth Proportional to 227,206.71, 340,810.88 and 69,434.51

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Solution

The fourth proportional to 227,206.71, 340,810.88 and 69,434.51 is: 104,152.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,206.71 : 340,810.88 = 69,434.51 : x
  2. Step 2: Convert to fraction form
    227,206.71/340,810.88 = 69,434.51/x
  3. Step 3: Cross multiply
    227,206.71x = 340,810.88 × 69,434.51
  4. Step 4: Simplify right side
    227,206.71x = 23,664,036,455.47
  5. Step 5: Solve for x
    x = 23,664,036,455.47/227,206.71
  6. Step 6: Final answer
    x = 104,152.01

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1.5x scale

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.