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Finding the Fourth Proportional to 245,166.99, 368,304.09 and 145,392.63

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Solution

The fourth proportional to 245,166.99, 368,304.09 and 145,392.63 is: 218,417.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,166.99 : 368,304.09 = 145,392.63 : x
  2. Step 2: Convert to fraction form
    245,166.99/368,304.09 = 145,392.63/x
  3. Step 3: Cross multiply
    245,166.99x = 368,304.09 × 145,392.63
  4. Step 4: Simplify right side
    245,166.99x = 53,548,700,284.86
  5. Step 5: Solve for x
    x = 53,548,700,284.86/245,166.99
  6. Step 6: Final answer
    x = 218,417.25

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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.