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Finding the Fourth Proportional to 153,691.02, 230,573.58 and 48,509.67

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Solution

The fourth proportional to 153,691.02, 230,573.58 and 48,509.67 is: 72,776.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,691.02 : 230,573.58 = 48,509.67 : x
  2. Step 2: Convert to fraction form
    153,691.02/230,573.58 = 48,509.67/x
  3. Step 3: Cross multiply
    153,691.02x = 230,573.58 × 48,509.67
  4. Step 4: Simplify right side
    153,691.02x = 11,185,048,276.52
  5. Step 5: Solve for x
    x = 11,185,048,276.52/153,691.02
  6. Step 6: Final answer
    x = 72,776.20

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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.