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Finding the Fourth Proportional to 111,292.48, 153,636.87 and 63,536.59

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Solution

The fourth proportional to 111,292.48, 153,636.87 and 63,536.59 is: 87,710.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,292.48 : 153,636.87 = 63,536.59 : x
  2. Step 2: Convert to fraction form
    111,292.48/153,636.87 = 63,536.59/x
  3. Step 3: Cross multiply
    111,292.48x = 153,636.87 × 63,536.59
  4. Step 4: Simplify right side
    111,292.48x = 9,761,562,818.07
  5. Step 5: Solve for x
    x = 9,761,562,818.07/111,292.48
  6. Step 6: Final answer
    x = 87,710.89

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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.