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Finding the Fourth Proportional to 104,980.14, 144,783.47 and 88,707.07

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Solution

The fourth proportional to 104,980.14, 144,783.47 and 88,707.07 is: 122,340.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,980.14 : 144,783.47 = 88,707.07 : x
  2. Step 2: Convert to fraction form
    104,980.14/144,783.47 = 88,707.07/x
  3. Step 3: Cross multiply
    104,980.14x = 144,783.47 × 88,707.07
  4. Step 4: Simplify right side
    104,980.14x = 12,843,316,964.60
  5. Step 5: Solve for x
    x = 12,843,316,964.60/104,980.14
  6. Step 6: Final answer
    x = 122,340.44

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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.