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Finding the Fourth Proportional to 88,300.08, 121,813.20 and 50,554.08

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Solution

The fourth proportional to 88,300.08, 121,813.20 and 50,554.08 is: 69,741.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,300.08 : 121,813.20 = 50,554.08 : x
  2. Step 2: Convert to fraction form
    88,300.08/121,813.20 = 50,554.08/x
  3. Step 3: Cross multiply
    88,300.08x = 121,813.20 × 50,554.08
  4. Step 4: Simplify right side
    88,300.08x = 6,158,154,257.86
  5. Step 5: Solve for x
    x = 6,158,154,257.86/88,300.08
  6. Step 6: Final answer
    x = 69,741.21

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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.