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Finding the Fourth Proportional to 152,604.80, 228,907.20 and 123,080.30

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Solution

The fourth proportional to 152,604.80, 228,907.20 and 123,080.30 is: 184,620.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,604.80 : 228,907.20 = 123,080.30 : x
  2. Step 2: Convert to fraction form
    152,604.80/228,907.20 = 123,080.30/x
  3. Step 3: Cross multiply
    152,604.80x = 228,907.20 × 123,080.30
  4. Step 4: Simplify right side
    152,604.80x = 28,173,966,848.16
  5. Step 5: Solve for x
    x = 28,173,966,848.16/152,604.80
  6. Step 6: Final answer
    x = 184,620.45

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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.