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Finding the Fourth Proportional to 173,681.40, 260,497.80 and 55,364.70

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Solution

The fourth proportional to 173,681.40, 260,497.80 and 55,364.70 is: 83,039.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,681.40 : 260,497.80 = 55,364.70 : x
  2. Step 2: Convert to fraction form
    173,681.40/260,497.80 = 55,364.70/x
  3. Step 3: Cross multiply
    173,681.40x = 260,497.80 × 55,364.70
  4. Step 4: Simplify right side
    173,681.40x = 14,422,382,547.66
  5. Step 5: Solve for x
    x = 14,422,382,547.66/173,681.40
  6. Step 6: Final answer
    x = 83,039.30

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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.