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Finding the Fourth Proportional to 157,663.40, 236,495.10 and 155,071.40

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Solution

The fourth proportional to 157,663.40, 236,495.10 and 155,071.40 is: 232,607.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,663.40 : 236,495.10 = 155,071.40 : x
  2. Step 2: Convert to fraction form
    157,663.40/236,495.10 = 155,071.40/x
  3. Step 3: Cross multiply
    157,663.40x = 236,495.10 × 155,071.40
  4. Step 4: Simplify right side
    157,663.40x = 36,673,626,250.14
  5. Step 5: Solve for x
    x = 36,673,626,250.14/157,663.40
  6. Step 6: Final answer
    x = 232,607.10

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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.