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Finding the Fourth Proportional to 145,892.62, 201,255.28 and 118,699.10

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Solution

The fourth proportional to 145,892.62, 201,255.28 and 118,699.10 is: 163,742.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,892.62 : 201,255.28 = 118,699.10 : x
  2. Step 2: Convert to fraction form
    145,892.62/201,255.28 = 118,699.10/x
  3. Step 3: Cross multiply
    145,892.62x = 201,255.28 × 118,699.10
  4. Step 4: Simplify right side
    145,892.62x = 23,888,820,159.58
  5. Step 5: Solve for x
    x = 23,888,820,159.58/145,892.62
  6. Step 6: Final answer
    x = 163,742.49

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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.