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Finding the Fourth Proportional to 122,952.84, 169,673.04 and 69,237.72

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Solution

The fourth proportional to 122,952.84, 169,673.04 and 69,237.72 is: 95,547.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,952.84 : 169,673.04 = 69,237.72 : x
  2. Step 2: Convert to fraction form
    122,952.84/169,673.04 = 69,237.72/x
  3. Step 3: Cross multiply
    122,952.84x = 169,673.04 × 69,237.72
  4. Step 4: Simplify right side
    122,952.84x = 11,747,774,435.07
  5. Step 5: Solve for x
    x = 11,747,774,435.07/122,952.84
  6. Step 6: Final answer
    x = 95,547.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.