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Finding the Fourth Proportional to 171,417.59, 257,123.58 and 57,573.30

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Solution

The fourth proportional to 171,417.59, 257,123.58 and 57,573.30 is: 86,359.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,417.59 : 257,123.58 = 57,573.30 : x
  2. Step 2: Convert to fraction form
    171,417.59/257,123.58 = 57,573.30/x
  3. Step 3: Cross multiply
    171,417.59x = 257,123.58 × 57,573.30
  4. Step 4: Simplify right side
    171,417.59x = 14,803,453,008.41
  5. Step 5: Solve for x
    x = 14,803,453,008.41/171,417.59
  6. Step 6: Final answer
    x = 86,359.01

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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.