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Finding the Fourth Proportional to 153,611.06, 230,455.48 and 42,803.06

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Solution

The fourth proportional to 153,611.06, 230,455.48 and 42,803.06 is: 64,215.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,611.06 : 230,455.48 = 42,803.06 : x
  2. Step 2: Convert to fraction form
    153,611.06/230,455.48 = 42,803.06/x
  3. Step 3: Cross multiply
    153,611.06x = 230,455.48 × 42,803.06
  4. Step 4: Simplify right side
    153,611.06x = 9,864,200,206.90
  5. Step 5: Solve for x
    x = 9,864,200,206.90/153,611.06
  6. Step 6: Final answer
    x = 64,215.43

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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.