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Finding the Fourth Proportional to 163,507.99, 245,255.10 and 56,916.25

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Solution

The fourth proportional to 163,507.99, 245,255.10 and 56,916.25 is: 85,371.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,507.99 : 245,255.10 = 56,916.25 : x
  2. Step 2: Convert to fraction form
    163,507.99/245,255.10 = 56,916.25/x
  3. Step 3: Cross multiply
    163,507.99x = 245,255.10 × 56,916.25
  4. Step 4: Simplify right side
    163,507.99x = 13,959,000,585.38
  5. Step 5: Solve for x
    x = 13,959,000,585.38/163,507.99
  6. Step 6: Final answer
    x = 85,371.98

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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.