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Finding the Fourth Proportional to 106,884.51, 147,476.75 and 63,852.45

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Solution

The fourth proportional to 106,884.51, 147,476.75 and 63,852.45 is: 88,102.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,884.51 : 147,476.75 = 63,852.45 : x
  2. Step 2: Convert to fraction form
    106,884.51/147,476.75 = 63,852.45/x
  3. Step 3: Cross multiply
    106,884.51x = 147,476.75 × 63,852.45
  4. Step 4: Simplify right side
    106,884.51x = 9,416,751,486.28
  5. Step 5: Solve for x
    x = 9,416,751,486.28/106,884.51
  6. Step 6: Final answer
    x = 88,102.12

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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.