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Finding the Fourth Proportional to 86,598.61, 119,506.12 and 50,788.76

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Solution

The fourth proportional to 86,598.61, 119,506.12 and 50,788.76 is: 70,088.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,598.61 : 119,506.12 = 50,788.76 : x
  2. Step 2: Convert to fraction form
    86,598.61/119,506.12 = 50,788.76/x
  3. Step 3: Cross multiply
    86,598.61x = 119,506.12 × 50,788.76
  4. Step 4: Simplify right side
    86,598.61x = 6,069,567,647.21
  5. Step 5: Solve for x
    x = 6,069,567,647.21/86,598.61
  6. Step 6: Final answer
    x = 70,088.51

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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.