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Finding the Fourth Proportional to 171,585.76, 257,374.99 and 46,926.76

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Solution

The fourth proportional to 171,585.76, 257,374.99 and 46,926.76 is: 70,389.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,585.76 : 257,374.99 = 46,926.76 : x
  2. Step 2: Convert to fraction form
    171,585.76/257,374.99 = 46,926.76/x
  3. Step 3: Cross multiply
    171,585.76x = 257,374.99 × 46,926.76
  4. Step 4: Simplify right side
    171,585.76x = 12,077,774,385.73
  5. Step 5: Solve for x
    x = 12,077,774,385.73/171,585.76
  6. Step 6: Final answer
    x = 70,389.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.