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Finding the Fourth Proportional to 162,860.74, 244,323.76 and 56,248.60

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Solution

The fourth proportional to 162,860.74, 244,323.76 and 56,248.60 is: 84,384.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,860.74 : 244,323.76 = 56,248.60 : x
  2. Step 2: Convert to fraction form
    162,860.74/244,323.76 = 56,248.60/x
  3. Step 3: Cross multiply
    162,860.74x = 244,323.76 × 56,248.60
  4. Step 4: Simplify right side
    162,860.74x = 13,742,870,069.63
  5. Step 5: Solve for x
    x = 13,742,870,069.63/162,860.74
  6. Step 6: Final answer
    x = 84,384.18

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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.