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Finding the Fourth Proportional to 282,448.51, 423,543.42 and 168,647.98

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Solution

The fourth proportional to 282,448.51, 423,543.42 and 168,647.98 is: 252,894.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,448.51 : 423,543.42 = 168,647.98 : x
  2. Step 2: Convert to fraction form
    282,448.51/423,543.42 = 168,647.98/x
  3. Step 3: Cross multiply
    282,448.51x = 423,543.42 × 168,647.98
  4. Step 4: Simplify right side
    282,448.51x = 71,429,742,225.29
  5. Step 5: Solve for x
    x = 71,429,742,225.29/282,448.51
  6. Step 6: Final answer
    x = 252,894.74

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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.