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Finding the Fourth Proportional to 243,158.51, 364,488.33 and 93,358.46

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Solution

The fourth proportional to 243,158.51, 364,488.33 and 93,358.46 is: 139,941.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,158.51 : 364,488.33 = 93,358.46 : x
  2. Step 2: Convert to fraction form
    243,158.51/364,488.33 = 93,358.46/x
  3. Step 3: Cross multiply
    243,158.51x = 364,488.33 × 93,358.46
  4. Step 4: Simplify right side
    243,158.51x = 34,028,069,176.77
  5. Step 5: Solve for x
    x = 34,028,069,176.77/243,158.51
  6. Step 6: Final answer
    x = 139,941.92

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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.