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Finding the Fourth Proportional to 88,707.84, 121,484.64 and 87,541.44

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Solution

The fourth proportional to 88,707.84, 121,484.64 and 87,541.44 is: 119,887.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,707.84 : 121,484.64 = 87,541.44 : x
  2. Step 2: Convert to fraction form
    88,707.84/121,484.64 = 87,541.44/x
  3. Step 3: Cross multiply
    88,707.84x = 121,484.64 × 87,541.44
  4. Step 4: Simplify right side
    88,707.84x = 10,634,940,323.48
  5. Step 5: Solve for x
    x = 10,634,940,323.48/88,707.84
  6. Step 6: Final answer
    x = 119,887.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.