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Finding the Fourth Proportional to 183,970.20, 275,955.30 and 148,978.20

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Solution

The fourth proportional to 183,970.20, 275,955.30 and 148,978.20 is: 223,467.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,970.20 : 275,955.30 = 148,978.20 : x
  2. Step 2: Convert to fraction form
    183,970.20/275,955.30 = 148,978.20/x
  3. Step 3: Cross multiply
    183,970.20x = 275,955.30 × 148,978.20
  4. Step 4: Simplify right side
    183,970.20x = 41,111,323,874.46
  5. Step 5: Solve for x
    x = 41,111,323,874.46/183,970.20
  6. Step 6: Final answer
    x = 223,467.30

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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.