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Finding the Fourth Proportional to 248,401.70, 372,602.55 and 148,868.90

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Solution

The fourth proportional to 248,401.70, 372,602.55 and 148,868.90 is: 223,303.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,401.70 : 372,602.55 = 148,868.90 : x
  2. Step 2: Convert to fraction form
    248,401.70/372,602.55 = 148,868.90/x
  3. Step 3: Cross multiply
    248,401.70x = 372,602.55 × 148,868.90
  4. Step 4: Simplify right side
    248,401.70x = 55,468,931,755.70
  5. Step 5: Solve for x
    x = 55,468,931,755.70/248,401.70
  6. Step 6: Final answer
    x = 223,303.35

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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.