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Finding the Fourth Proportional to 158,401.80, 237,602.70 and 147,904.20

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Solution

The fourth proportional to 158,401.80, 237,602.70 and 147,904.20 is: 221,856.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,401.80 : 237,602.70 = 147,904.20 : x
  2. Step 2: Convert to fraction form
    158,401.80/237,602.70 = 147,904.20/x
  3. Step 3: Cross multiply
    158,401.80x = 237,602.70 × 147,904.20
  4. Step 4: Simplify right side
    158,401.80x = 35,142,437,261.34
  5. Step 5: Solve for x
    x = 35,142,437,261.34/158,401.80
  6. Step 6: Final answer
    x = 221,856.30

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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.