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Finding the Fourth Proportional to 153,809.47, 230,712.75 and 48,628.45

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Solution

The fourth proportional to 153,809.47, 230,712.75 and 48,628.45 is: 72,942.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,809.47 : 230,712.75 = 48,628.45 : x
  2. Step 2: Convert to fraction form
    153,809.47/230,712.75 = 48,628.45/x
  3. Step 3: Cross multiply
    153,809.47x = 230,712.75 × 48,628.45
  4. Step 4: Simplify right side
    153,809.47x = 11,219,203,427.74
  5. Step 5: Solve for x
    x = 11,219,203,427.74/153,809.47
  6. Step 6: Final answer
    x = 72,942.21

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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.