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Finding the Fourth Proportional to 163,590.96, 245,386.84 and 49,739.76

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Solution

The fourth proportional to 163,590.96, 245,386.84 and 49,739.76 is: 74,609.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,590.96 : 245,386.84 = 49,739.76 : x
  2. Step 2: Convert to fraction form
    163,590.96/245,386.84 = 49,739.76/x
  3. Step 3: Cross multiply
    163,590.96x = 245,386.84 × 49,739.76
  4. Step 4: Simplify right side
    163,590.96x = 12,205,482,528.76
  5. Step 5: Solve for x
    x = 12,205,482,528.76/163,590.96
  6. Step 6: Final answer
    x = 74,609.76

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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.