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Finding the Fourth Proportional to 249,980.01, 374,748.53 and 186,723.77

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Solution

The fourth proportional to 249,980.01, 374,748.53 and 186,723.77 is: 279,920.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,980.01 : 374,748.53 = 186,723.77 : x
  2. Step 2: Convert to fraction form
    249,980.01/374,748.53 = 186,723.77/x
  3. Step 3: Cross multiply
    249,980.01x = 374,748.53 × 186,723.77
  4. Step 4: Simplify right side
    249,980.01x = 69,974,455,516.20
  5. Step 5: Solve for x
    x = 69,974,455,516.20/249,980.01
  6. Step 6: Final answer
    x = 279,920.21

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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.