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Finding the Fourth Proportional to 88,655.57, 122,344.71 and 56,824.47

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Solution

The fourth proportional to 88,655.57, 122,344.71 and 56,824.47 is: 78,417.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,655.57 : 122,344.71 = 56,824.47 : x
  2. Step 2: Convert to fraction form
    88,655.57/122,344.71 = 56,824.47/x
  3. Step 3: Cross multiply
    88,655.57x = 122,344.71 × 56,824.47
  4. Step 4: Simplify right side
    88,655.57x = 6,952,173,303.05
  5. Step 5: Solve for x
    x = 6,952,173,303.05/88,655.57
  6. Step 6: Final answer
    x = 78,417.79

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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.