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Finding the Fourth Proportional to 250,762.80, 346,053.08 and 137,586.36

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Solution

The fourth proportional to 250,762.80, 346,053.08 and 137,586.36 is: 189,869.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,762.80 : 346,053.08 = 137,586.36 : x
  2. Step 2: Convert to fraction form
    250,762.80/346,053.08 = 137,586.36/x
  3. Step 3: Cross multiply
    250,762.80x = 346,053.08 × 137,586.36
  4. Step 4: Simplify right side
    250,762.80x = 47,612,183,643.99
  5. Step 5: Solve for x
    x = 47,612,183,643.99/250,762.80
  6. Step 6: Final answer
    x = 189,869.41

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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.