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Finding the Fourth Proportional to 112,970.99, 169,460.90 and 34,085.23

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Solution

The fourth proportional to 112,970.99, 169,460.90 and 34,085.23 is: 51,129.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,970.99 : 169,460.90 = 34,085.23 : x
  2. Step 2: Convert to fraction form
    112,970.99/169,460.90 = 34,085.23/x
  3. Step 3: Cross multiply
    112,970.99x = 169,460.90 × 34,085.23
  4. Step 4: Simplify right side
    112,970.99x = 5,776,113,286.25
  5. Step 5: Solve for x
    x = 5,776,113,286.25/112,970.99
  6. Step 6: Final answer
    x = 51,129.17

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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.