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Finding the Fourth Proportional to 112,036.40, 168,054.60 and 103,482.80

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Solution

The fourth proportional to 112,036.40, 168,054.60 and 103,482.80 is: 155,224.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,036.40 : 168,054.60 = 103,482.80 : x
  2. Step 2: Convert to fraction form
    112,036.40/168,054.60 = 103,482.80/x
  3. Step 3: Cross multiply
    112,036.40x = 168,054.60 × 103,482.80
  4. Step 4: Simplify right side
    112,036.40x = 17,390,760,560.88
  5. Step 5: Solve for x
    x = 17,390,760,560.88/112,036.40
  6. Step 6: Final answer
    x = 155,224.20

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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.