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Finding the Fourth Proportional to 93,510.40, 129,042.30 and 51,069.10

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Solution

The fourth proportional to 93,510.40, 129,042.30 and 51,069.10 is: 70,474.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,510.40 : 129,042.30 = 51,069.10 : x
  2. Step 2: Convert to fraction form
    93,510.40/129,042.30 = 51,069.10/x
  3. Step 3: Cross multiply
    93,510.40x = 129,042.30 × 51,069.10
  4. Step 4: Simplify right side
    93,510.40x = 6,590,074,122.93
  5. Step 5: Solve for x
    x = 6,590,074,122.93/93,510.40
  6. Step 6: Final answer
    x = 70,474.24

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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.