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Finding the Fourth Proportional to 170,881.59, 256,176.98 and 104,368.38

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Solution

The fourth proportional to 170,881.59, 256,176.98 and 104,368.38 is: 156,463.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,881.59 : 256,176.98 = 104,368.38 : x
  2. Step 2: Convert to fraction form
    170,881.59/256,176.98 = 104,368.38/x
  3. Step 3: Cross multiply
    170,881.59x = 256,176.98 × 104,368.38
  4. Step 4: Simplify right side
    170,881.59x = 26,736,776,656.81
  5. Step 5: Solve for x
    x = 26,736,776,656.81/170,881.59
  6. Step 6: Final answer
    x = 156,463.76

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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.