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Finding the Fourth Proportional to 191,798.04, 287,729.22 and 58,647.08

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Solution

The fourth proportional to 191,798.04, 287,729.22 and 58,647.08 is: 87,980.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,798.04 : 287,729.22 = 58,647.08 : x
  2. Step 2: Convert to fraction form
    191,798.04/287,729.22 = 58,647.08/x
  3. Step 3: Cross multiply
    191,798.04x = 287,729.22 × 58,647.08
  4. Step 4: Simplify right side
    191,798.04x = 16,874,478,583.68
  5. Step 5: Solve for x
    x = 16,874,478,583.68/191,798.04
  6. Step 6: Final answer
    x = 87,980.45

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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.