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Finding the Fourth Proportional to 162,705.60, 244,277.10 and 103,802.40

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Solution

The fourth proportional to 162,705.60, 244,277.10 and 103,802.40 is: 155,843.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,705.60 : 244,277.10 = 103,802.40 : x
  2. Step 2: Convert to fraction form
    162,705.60/244,277.10 = 103,802.40/x
  3. Step 3: Cross multiply
    162,705.60x = 244,277.10 × 103,802.40
  4. Step 4: Simplify right side
    162,705.60x = 25,356,549,245.04
  5. Step 5: Solve for x
    x = 25,356,549,245.04/162,705.60
  6. Step 6: Final answer
    x = 155,843.13

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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.