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Finding the Fourth Proportional to 268,779.99, 403,073.91 and 88,832.10

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Solution

The fourth proportional to 268,779.99, 403,073.91 and 88,832.10 is: 133,216.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,779.99 : 403,073.91 = 88,832.10 : x
  2. Step 2: Convert to fraction form
    268,779.99/403,073.91 = 88,832.10/x
  3. Step 3: Cross multiply
    268,779.99x = 403,073.91 × 88,832.10
  4. Step 4: Simplify right side
    268,779.99x = 35,805,901,880.51
  5. Step 5: Solve for x
    x = 35,805,901,880.51/268,779.99
  6. Step 6: Final answer
    x = 133,216.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.