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Finding the Fourth Proportional to 114,298.45, 171,455.90 and 39,417.52

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Solution

The fourth proportional to 114,298.45, 171,455.90 and 39,417.52 is: 59,129.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,298.45 : 171,455.90 = 39,417.52 : x
  2. Step 2: Convert to fraction form
    114,298.45/171,455.90 = 39,417.52/x
  3. Step 3: Cross multiply
    114,298.45x = 171,455.90 × 39,417.52
  4. Step 4: Simplify right side
    114,298.45x = 6,758,366,367.37
  5. Step 5: Solve for x
    x = 6,758,366,367.37/114,298.45
  6. Step 6: Final answer
    x = 59,129.12

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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.