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Finding the Fourth Proportional to 157,603.60, 236,405.40 and 144,701.20

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Solution

The fourth proportional to 157,603.60, 236,405.40 and 144,701.20 is: 217,051.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,603.60 : 236,405.40 = 144,701.20 : x
  2. Step 2: Convert to fraction form
    157,603.60/236,405.40 = 144,701.20/x
  3. Step 3: Cross multiply
    157,603.60x = 236,405.40 × 144,701.20
  4. Step 4: Simplify right side
    157,603.60x = 34,208,145,066.48
  5. Step 5: Solve for x
    x = 34,208,145,066.48/157,603.60
  6. Step 6: Final answer
    x = 217,051.80

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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.