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Finding the Fourth Proportional to 152,609.69, 210,597.48 and 84,625.58

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Solution

The fourth proportional to 152,609.69, 210,597.48 and 84,625.58 is: 116,781.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,609.69 : 210,597.48 = 84,625.58 : x
  2. Step 2: Convert to fraction form
    152,609.69/210,597.48 = 84,625.58/x
  3. Step 3: Cross multiply
    152,609.69x = 210,597.48 × 84,625.58
  4. Step 4: Simplify right side
    152,609.69x = 17,821,932,838.55
  5. Step 5: Solve for x
    x = 17,821,932,838.55/152,609.69
  6. Step 6: Final answer
    x = 116,781.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.