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Finding the Fourth Proportional to 242,283.76, 334,346.74 and 151,689.71

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Solution

The fourth proportional to 242,283.76, 334,346.74 and 151,689.71 is: 209,328.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,283.76 : 334,346.74 = 151,689.71 : x
  2. Step 2: Convert to fraction form
    242,283.76/334,346.74 = 151,689.71/x
  3. Step 3: Cross multiply
    242,283.76x = 334,346.74 × 151,689.71
  4. Step 4: Simplify right side
    242,283.76x = 50,716,960,486.69
  5. Step 5: Solve for x
    x = 50,716,960,486.69/242,283.76
  6. Step 6: Final answer
    x = 209,328.77

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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.