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Finding the Fourth Proportional to 112,813.04, 170,012.12 and 101,582.12

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Solution

The fourth proportional to 112,813.04, 170,012.12 and 101,582.12 is: 153,086.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,813.04 : 170,012.12 = 101,582.12 : x
  2. Step 2: Convert to fraction form
    112,813.04/170,012.12 = 101,582.12/x
  3. Step 3: Cross multiply
    112,813.04x = 170,012.12 × 101,582.12
  4. Step 4: Simplify right side
    112,813.04x = 17,270,191,575.29
  5. Step 5: Solve for x
    x = 17,270,191,575.29/112,813.04
  6. Step 6: Final answer
    x = 153,086.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.