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Finding the Fourth Proportional to 118,050.92, 162,905.51 and 64,334.77

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Solution

The fourth proportional to 118,050.92, 162,905.51 and 64,334.77 is: 88,779.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,050.92 : 162,905.51 = 64,334.77 : x
  2. Step 2: Convert to fraction form
    118,050.92/162,905.51 = 64,334.77/x
  3. Step 3: Cross multiply
    118,050.92x = 162,905.51 × 64,334.77
  4. Step 4: Simplify right side
    118,050.92x = 10,480,487,703.06
  5. Step 5: Solve for x
    x = 10,480,487,703.06/118,050.92
  6. Step 6: Final answer
    x = 88,779.39

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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.