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Finding the Fourth Proportional to 155,567.80, 233,351.70 and 154,401.40

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Solution

The fourth proportional to 155,567.80, 233,351.70 and 154,401.40 is: 231,602.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,567.80 : 233,351.70 = 154,401.40 : x
  2. Step 2: Convert to fraction form
    155,567.80/233,351.70 = 154,401.40/x
  3. Step 3: Cross multiply
    155,567.80x = 233,351.70 × 154,401.40
  4. Step 4: Simplify right side
    155,567.80x = 36,029,829,172.38
  5. Step 5: Solve for x
    x = 36,029,829,172.38/155,567.80
  6. Step 6: Final answer
    x = 231,602.10

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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.