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Finding the Fourth Proportional to 249,467.87, 374,482.24 and 99,813.74

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Solution

The fourth proportional to 249,467.87, 374,482.24 and 99,813.74 is: 149,832.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,467.87 : 374,482.24 = 99,813.74 : x
  2. Step 2: Convert to fraction form
    249,467.87/374,482.24 = 99,813.74/x
  3. Step 3: Cross multiply
    249,467.87x = 374,482.24 × 99,813.74
  4. Step 4: Simplify right side
    249,467.87x = 37,378,470,566.50
  5. Step 5: Solve for x
    x = 37,378,470,566.50/249,467.87
  6. Step 6: Final answer
    x = 149,832.81

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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.