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Finding the Fourth Proportional to 174,536.71, 261,807.71 and 66,472.06

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Solution

The fourth proportional to 174,536.71, 261,807.71 and 66,472.06 is: 99,709.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,536.71 : 261,807.71 = 66,472.06 : x
  2. Step 2: Convert to fraction form
    174,536.71/261,807.71 = 66,472.06/x
  3. Step 3: Cross multiply
    174,536.71x = 261,807.71 × 66,472.06
  4. Step 4: Simplify right side
    174,536.71x = 17,402,898,047.93
  5. Step 5: Solve for x
    x = 17,402,898,047.93/174,536.71
  6. Step 6: Final answer
    x = 99,709.10

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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.