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Finding the Fourth Proportional to 114,498.69, 171,763.62 and 39,598.74

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Solution

The fourth proportional to 114,498.69, 171,763.62 and 39,598.74 is: 59,403.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,498.69 : 171,763.62 = 39,598.74 : x
  2. Step 2: Convert to fraction form
    114,498.69/171,763.62 = 39,598.74/x
  3. Step 3: Cross multiply
    114,498.69x = 171,763.62 × 39,598.74
  4. Step 4: Simplify right side
    114,498.69x = 6,801,622,929.84
  5. Step 5: Solve for x
    x = 6,801,622,929.84/114,498.69
  6. Step 6: Final answer
    x = 59,403.50

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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.