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Finding the Fourth Proportional to 150,267.16, 207,368.76 and 93,678.76

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Solution

The fourth proportional to 150,267.16, 207,368.76 and 93,678.76 is: 129,276.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,267.16 : 207,368.76 = 93,678.76 : x
  2. Step 2: Convert to fraction form
    150,267.16/207,368.76 = 93,678.76/x
  3. Step 3: Cross multiply
    150,267.16x = 207,368.76 × 93,678.76
  4. Step 4: Simplify right side
    150,267.16x = 19,426,048,299.54
  5. Step 5: Solve for x
    x = 19,426,048,299.54/150,267.16
  6. Step 6: Final answer
    x = 129,276.74

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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.