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Finding the Fourth Proportional to 88,410.51, 122,022.32 and 56,578.32

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Solution

The fourth proportional to 88,410.51, 122,022.32 and 56,578.32 is: 78,088.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,410.51 : 122,022.32 = 56,578.32 : x
  2. Step 2: Convert to fraction form
    88,410.51/122,022.32 = 56,578.32/x
  3. Step 3: Cross multiply
    88,410.51x = 122,022.32 × 56,578.32
  4. Step 4: Simplify right side
    88,410.51x = 6,903,817,585.21
  5. Step 5: Solve for x
    x = 6,903,817,585.21/88,410.51
  6. Step 6: Final answer
    x = 78,088.20

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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.