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Finding the Fourth Proportional to 261,148.95, 360,252.90 and 170,557.94

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Solution

The fourth proportional to 261,148.95, 360,252.90 and 170,557.94 is: 235,283.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,148.95 : 360,252.90 = 170,557.94 : x
  2. Step 2: Convert to fraction form
    261,148.95/360,252.90 = 170,557.94/x
  3. Step 3: Cross multiply
    261,148.95x = 360,252.90 × 170,557.94
  4. Step 4: Simplify right side
    261,148.95x = 61,443,993,403.66
  5. Step 5: Solve for x
    x = 61,443,993,403.66/261,148.95
  6. Step 6: Final answer
    x = 235,283.33

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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.