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Finding the Fourth Proportional to 162,973.70, 244,460.55 and 157,068.80

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Solution

The fourth proportional to 162,973.70, 244,460.55 and 157,068.80 is: 235,603.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,973.70 : 244,460.55 = 157,068.80 : x
  2. Step 2: Convert to fraction form
    162,973.70/244,460.55 = 157,068.80/x
  3. Step 3: Cross multiply
    162,973.70x = 244,460.55 × 157,068.80
  4. Step 4: Simplify right side
    162,973.70x = 38,397,125,235.84
  5. Step 5: Solve for x
    x = 38,397,125,235.84/162,973.70
  6. Step 6: Final answer
    x = 235,603.20

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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.