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Finding the Fourth Proportional to 152,309.80, 228,464.70 and 147,935.80

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Solution

The fourth proportional to 152,309.80, 228,464.70 and 147,935.80 is: 221,903.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,309.80 : 228,464.70 = 147,935.80 : x
  2. Step 2: Convert to fraction form
    152,309.80/228,464.70 = 147,935.80/x
  3. Step 3: Cross multiply
    152,309.80x = 228,464.70 × 147,935.80
  4. Step 4: Simplify right side
    152,309.80x = 33,798,108,166.26
  5. Step 5: Solve for x
    x = 33,798,108,166.26/152,309.80
  6. Step 6: Final answer
    x = 221,903.70

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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.