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Finding the Fourth Proportional to 112,051.40, 168,106.80 and 48,844.40

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Solution

The fourth proportional to 112,051.40, 168,106.80 and 48,844.40 is: 73,279.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,051.40 : 168,106.80 = 48,844.40 : x
  2. Step 2: Convert to fraction form
    112,051.40/168,106.80 = 48,844.40/x
  3. Step 3: Cross multiply
    112,051.40x = 168,106.80 × 48,844.40
  4. Step 4: Simplify right side
    112,051.40x = 8,211,075,781.92
  5. Step 5: Solve for x
    x = 8,211,075,781.92/112,051.40
  6. Step 6: Final answer
    x = 73,279.55

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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.