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Finding the Fourth Proportional to 118,519.61, 177,779.58 and 48,398.93

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Solution

The fourth proportional to 118,519.61, 177,779.58 and 48,398.93 is: 72,598.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,519.61 : 177,779.58 = 48,398.93 : x
  2. Step 2: Convert to fraction form
    118,519.61/177,779.58 = 48,398.93/x
  3. Step 3: Cross multiply
    118,519.61x = 177,779.58 × 48,398.93
  4. Step 4: Simplify right side
    118,519.61x = 8,604,340,558.95
  5. Step 5: Solve for x
    x = 8,604,340,558.95/118,519.61
  6. Step 6: Final answer
    x = 72,598.46

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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.