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Finding the Fourth Proportional to 368,795.92, 553,070.64 and 144,098.08

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Solution

The fourth proportional to 368,795.92, 553,070.64 and 144,098.08 is: 216,098.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,795.92 : 553,070.64 = 144,098.08 : x
  2. Step 2: Convert to fraction form
    368,795.92/553,070.64 = 144,098.08/x
  3. Step 3: Cross multiply
    368,795.92x = 553,070.64 × 144,098.08
  4. Step 4: Simplify right side
    368,795.92x = 79,696,417,328.37
  5. Step 5: Solve for x
    x = 79,696,417,328.37/368,795.92
  6. Step 6: Final answer
    x = 216,098.97

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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.