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Finding the Fourth Proportional to 88,663.83, 122,356.04 and 56,832.71

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Solution

The fourth proportional to 88,663.83, 122,356.04 and 56,832.71 is: 78,429.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,663.83 : 122,356.04 = 56,832.71 : x
  2. Step 2: Convert to fraction form
    88,663.83/122,356.04 = 56,832.71/x
  3. Step 3: Cross multiply
    88,663.83x = 122,356.04 × 56,832.71
  4. Step 4: Simplify right side
    88,663.83x = 6,953,824,442.12
  5. Step 5: Solve for x
    x = 6,953,824,442.12/88,663.83
  6. Step 6: Final answer
    x = 78,429.10

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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.