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Finding the Fourth Proportional to 245,172.40, 367,751.28 and 67,690.24

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Solution

The fourth proportional to 245,172.40, 367,751.28 and 67,690.24 is: 101,533.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,172.40 : 367,751.28 = 67,690.24 : x
  2. Step 2: Convert to fraction form
    245,172.40/367,751.28 = 67,690.24/x
  3. Step 3: Cross multiply
    245,172.40x = 367,751.28 × 67,690.24
  4. Step 4: Simplify right side
    245,172.40x = 24,893,172,403.51
  5. Step 5: Solve for x
    x = 24,893,172,403.51/245,172.40
  6. Step 6: Final answer
    x = 101,533.34

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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.