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Finding the Fourth Proportional to 102,798.99, 141,803.46 and 60,349.32

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Solution

The fourth proportional to 102,798.99, 141,803.46 and 60,349.32 is: 83,247.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,798.99 : 141,803.46 = 60,349.32 : x
  2. Step 2: Convert to fraction form
    102,798.99/141,803.46 = 60,349.32/x
  3. Step 3: Cross multiply
    102,798.99x = 141,803.46 × 60,349.32
  4. Step 4: Simplify right side
    102,798.99x = 8,557,742,384.65
  5. Step 5: Solve for x
    x = 8,557,742,384.65/102,798.99
  6. Step 6: Final answer
    x = 83,247.34

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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.