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Finding the Fourth Proportional to 98,828.92, 148,119.18 and 70,602.04

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Solution

The fourth proportional to 98,828.92, 148,119.18 and 70,602.04 is: 105,814.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,828.92 : 148,119.18 = 70,602.04 : x
  2. Step 2: Convert to fraction form
    98,828.92/148,119.18 = 70,602.04/x
  3. Step 3: Cross multiply
    98,828.92x = 148,119.18 × 70,602.04
  4. Step 4: Simplify right side
    98,828.92x = 10,457,516,271.13
  5. Step 5: Solve for x
    x = 10,457,516,271.13/98,828.92
  6. Step 6: Final answer
    x = 105,814.33

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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.