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Finding the Fourth Proportional to 156,632.01, 216,148.95 and 88,647.77

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Solution

The fourth proportional to 156,632.01, 216,148.95 and 88,647.77 is: 122,332.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,632.01 : 216,148.95 = 88,647.77 : x
  2. Step 2: Convert to fraction form
    156,632.01/216,148.95 = 88,647.77/x
  3. Step 3: Cross multiply
    156,632.01x = 216,148.95 × 88,647.77
  4. Step 4: Simplify right side
    156,632.01x = 19,161,121,324.60
  5. Step 5: Solve for x
    x = 19,161,121,324.60/156,632.01
  6. Step 6: Final answer
    x = 122,332.09

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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.