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Finding the Fourth Proportional to 157,358.08, 235,913.76 and 107,313.76

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Solution

The fourth proportional to 157,358.08, 235,913.76 and 107,313.76 is: 160,886.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,358.08 : 235,913.76 = 107,313.76 : x
  2. Step 2: Convert to fraction form
    157,358.08/235,913.76 = 107,313.76/x
  3. Step 3: Cross multiply
    157,358.08x = 235,913.76 × 107,313.76
  4. Step 4: Simplify right side
    157,358.08x = 25,316,792,621.34
  5. Step 5: Solve for x
    x = 25,316,792,621.34/157,358.08
  6. Step 6: Final answer
    x = 160,886.51

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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.