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Finding the Fourth Proportional to 94,875, 130,916.16 and 52,427.76

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Solution

The fourth proportional to 94,875, 130,916.16 and 52,427.76 is: 72,344.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,875 : 130,916.16 = 52,427.76 : x
  2. Step 2: Convert to fraction form
    94,875/130,916.16 = 52,427.76/x
  3. Step 3: Cross multiply
    94,875x = 130,916.16 × 52,427.76
  4. Step 4: Simplify right side
    94,875x = 6,863,641,016.60
  5. Step 5: Solve for x
    x = 6,863,641,016.60/94,875
  6. Step 6: Final answer
    x = 72,344.04

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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.