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Finding the Fourth Proportional to 178,124.59, 245,812.32 and 96,453.74

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Solution

The fourth proportional to 178,124.59, 245,812.32 and 96,453.74 is: 133,106.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,124.59 : 245,812.32 = 96,453.74 : x
  2. Step 2: Convert to fraction form
    178,124.59/245,812.32 = 96,453.74/x
  3. Step 3: Cross multiply
    178,124.59x = 245,812.32 × 96,453.74
  4. Step 4: Simplify right side
    178,124.59x = 23,709,517,602.08
  5. Step 5: Solve for x
    x = 23,709,517,602.08/178,124.59
  6. Step 6: Final answer
    x = 133,106.37

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1.5x scale

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.