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Finding the Fourth Proportional to 111,096.12, 153,308.84 and 63,364.84

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Solution

The fourth proportional to 111,096.12, 153,308.84 and 63,364.84 is: 87,441.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,096.12 : 153,308.84 = 63,364.84 : x
  2. Step 2: Convert to fraction form
    111,096.12/153,308.84 = 63,364.84/x
  3. Step 3: Cross multiply
    111,096.12x = 153,308.84 × 63,364.84
  4. Step 4: Simplify right side
    111,096.12x = 9,714,390,117.19
  5. Step 5: Solve for x
    x = 9,714,390,117.19/111,096.12
  6. Step 6: Final answer
    x = 87,441.31

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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.