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Finding the Fourth Proportional to 191,762.08, 287,772.72 and 67,104.16

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Solution

The fourth proportional to 191,762.08, 287,772.72 and 67,104.16 is: 100,701.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,762.08 : 287,772.72 = 67,104.16 : x
  2. Step 2: Convert to fraction form
    191,762.08/287,772.72 = 67,104.16/x
  3. Step 3: Cross multiply
    191,762.08x = 287,772.72 × 67,104.16
  4. Step 4: Simplify right side
    191,762.08x = 19,310,746,646.52
  5. Step 5: Solve for x
    x = 19,310,746,646.52/191,762.08
  6. Step 6: Final answer
    x = 100,701.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.