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Finding the Fourth Proportional to 102,292.48, 153,377.28 and 39,992.32

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Solution

The fourth proportional to 102,292.48, 153,377.28 and 39,992.32 is: 59,964.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,292.48 : 153,377.28 = 39,992.32 : x
  2. Step 2: Convert to fraction form
    102,292.48/153,377.28 = 39,992.32/x
  3. Step 3: Cross multiply
    102,292.48x = 153,377.28 × 39,992.32
  4. Step 4: Simplify right side
    102,292.48x = 6,133,913,262.49
  5. Step 5: Solve for x
    x = 6,133,913,262.49/102,292.48
  6. Step 6: Final answer
    x = 59,964.46

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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.