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Finding the Fourth Proportional to 156,818.94, 216,420.85 and 88,836.48

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Solution

The fourth proportional to 156,818.94, 216,420.85 and 88,836.48 is: 122,600.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,818.94 : 216,420.85 = 88,836.48 : x
  2. Step 2: Convert to fraction form
    156,818.94/216,420.85 = 88,836.48/x
  3. Step 3: Cross multiply
    156,818.94x = 216,420.85 × 88,836.48
  4. Step 4: Simplify right side
    156,818.94x = 19,226,066,873.51
  5. Step 5: Solve for x
    x = 19,226,066,873.51/156,818.94
  6. Step 6: Final answer
    x = 122,600.41

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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.