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Finding the Fourth Proportional to 104,671.74, 144,431.19 and 64,392.06

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Solution

The fourth proportional to 104,671.74, 144,431.19 and 64,392.06 is: 88,851.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,671.74 : 144,431.19 = 64,392.06 : x
  2. Step 2: Convert to fraction form
    104,671.74/144,431.19 = 64,392.06/x
  3. Step 3: Cross multiply
    104,671.74x = 144,431.19 × 64,392.06
  4. Step 4: Simplify right side
    104,671.74x = 9,300,221,852.35
  5. Step 5: Solve for x
    x = 9,300,221,852.35/104,671.74
  6. Step 6: Final answer
    x = 88,851.32

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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.