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Finding the Fourth Proportional to 114,551.70, 171,827.55 and 61,407.60

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Solution

The fourth proportional to 114,551.70, 171,827.55 and 61,407.60 is: 92,111.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,551.70 : 171,827.55 = 61,407.60 : x
  2. Step 2: Convert to fraction form
    114,551.70/171,827.55 = 61,407.60/x
  3. Step 3: Cross multiply
    114,551.70x = 171,827.55 × 61,407.60
  4. Step 4: Simplify right side
    114,551.70x = 10,551,517,459.38
  5. Step 5: Solve for x
    x = 10,551,517,459.38/114,551.70
  6. Step 6: Final answer
    x = 92,111.40

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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.