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Finding the Fourth Proportional to 112,367.60, 168,551.40 and 101,308.40

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Solution

The fourth proportional to 112,367.60, 168,551.40 and 101,308.40 is: 151,962.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,367.60 : 168,551.40 = 101,308.40 : x
  2. Step 2: Convert to fraction form
    112,367.60/168,551.40 = 101,308.40/x
  3. Step 3: Cross multiply
    112,367.60x = 168,551.40 × 101,308.40
  4. Step 4: Simplify right side
    112,367.60x = 17,075,672,651.76
  5. Step 5: Solve for x
    x = 17,075,672,651.76/112,367.60
  6. Step 6: Final answer
    x = 151,962.60

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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.