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Finding the Fourth Proportional to 162,692.51, 224,518.05 and 93,743.96

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Solution

The fourth proportional to 162,692.51, 224,518.05 and 93,743.96 is: 129,368.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,692.51 : 224,518.05 = 93,743.96 : x
  2. Step 2: Convert to fraction form
    162,692.51/224,518.05 = 93,743.96/x
  3. Step 3: Cross multiply
    162,692.51x = 224,518.05 × 93,743.96
  4. Step 4: Simplify right side
    162,692.51x = 21,047,210,629.76
  5. Step 5: Solve for x
    x = 21,047,210,629.76/162,692.51
  6. Step 6: Final answer
    x = 129,368.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.