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Finding the Fourth Proportional to 295,337.95, 442,985.51 and 115,389.54

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Solution

The fourth proportional to 295,337.95, 442,985.51 and 115,389.54 is: 173,075.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,337.95 : 442,985.51 = 115,389.54 : x
  2. Step 2: Convert to fraction form
    295,337.95/442,985.51 = 115,389.54/x
  3. Step 3: Cross multiply
    295,337.95x = 442,985.51 × 115,389.54
  4. Step 4: Simplify right side
    295,337.95x = 51,115,892,619.08
  5. Step 5: Solve for x
    x = 51,115,892,619.08/295,337.95
  6. Step 6: Final answer
    x = 173,075.94

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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.