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Finding the Fourth Proportional to 118,056.96, 162,916.38 and 64,342.32

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Solution

The fourth proportional to 118,056.96, 162,916.38 and 64,342.32 is: 88,791.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,056.96 : 162,916.38 = 64,342.32 : x
  2. Step 2: Convert to fraction form
    118,056.96/162,916.38 = 64,342.32/x
  3. Step 3: Cross multiply
    118,056.96x = 162,916.38 × 64,342.32
  4. Step 4: Simplify right side
    118,056.96x = 10,482,417,855.20
  5. Step 5: Solve for x
    x = 10,482,417,855.20/118,056.96
  6. Step 6: Final answer
    x = 88,791.19

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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.