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Finding the Fourth Proportional to 94,870.76, 130,916.54 and 52,426.76

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Solution

The fourth proportional to 94,870.76, 130,916.54 and 52,426.76 is: 72,346.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,870.76 : 130,916.54 = 52,426.76 : x
  2. Step 2: Convert to fraction form
    94,870.76/130,916.54 = 52,426.76/x
  3. Step 3: Cross multiply
    94,870.76x = 130,916.54 × 52,426.76
  4. Step 4: Simplify right side
    94,870.76x = 6,863,529,760.48
  5. Step 5: Solve for x
    x = 6,863,529,760.48/94,870.76
  6. Step 6: Final answer
    x = 72,346.10

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1.5x scale

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.