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Finding the Fourth Proportional to 153,883.47, 230,744.80 and 69,603.37

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Solution

The fourth proportional to 153,883.47, 230,744.80 and 69,603.37 is: 104,368.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,883.47 : 230,744.80 = 69,603.37 : x
  2. Step 2: Convert to fraction form
    153,883.47/230,744.80 = 69,603.37/x
  3. Step 3: Cross multiply
    153,883.47x = 230,744.80 × 69,603.37
  4. Step 4: Simplify right side
    153,883.47x = 16,060,615,689.98
  5. Step 5: Solve for x
    x = 16,060,615,689.98/153,883.47
  6. Step 6: Final answer
    x = 104,368.69

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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.