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Finding the Fourth Proportional to 144,030.90, 201,176.70 and 144,030.90

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Solution

The fourth proportional to 144,030.90, 201,176.70 and 144,030.90 is: 201,176.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,030.90 : 201,176.70 = 144,030.90 : x
  2. Step 2: Convert to fraction form
    144,030.90/201,176.70 = 144,030.90/x
  3. Step 3: Cross multiply
    144,030.90x = 201,176.70 × 144,030.90
  4. Step 4: Simplify right side
    144,030.90x = 28,975,661,160.03
  5. Step 5: Solve for x
    x = 28,975,661,160.03/144,030.90
  6. Step 6: Final answer
    x = 201,176.70

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.