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Finding the Fourth Proportional to 162,364.65, 243,054.90 and 118,077.90

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Solution

The fourth proportional to 162,364.65, 243,054.90 and 118,077.90 is: 176,758.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,364.65 : 243,054.90 = 118,077.90 : x
  2. Step 2: Convert to fraction form
    162,364.65/243,054.90 = 118,077.90/x
  3. Step 3: Cross multiply
    162,364.65x = 243,054.90 × 118,077.90
  4. Step 4: Simplify right side
    162,364.65x = 28,699,412,176.71
  5. Step 5: Solve for x
    x = 28,699,412,176.71/162,364.65
  6. Step 6: Final answer
    x = 176,758.99

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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.