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Finding the Fourth Proportional to 249,707.71, 344,596.64 and 136,530.46

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Solution

The fourth proportional to 249,707.71, 344,596.64 and 136,530.46 is: 188,412.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,707.71 : 344,596.64 = 136,530.46 : x
  2. Step 2: Convert to fraction form
    249,707.71/344,596.64 = 136,530.46/x
  3. Step 3: Cross multiply
    249,707.71x = 344,596.64 × 136,530.46
  4. Step 4: Simplify right side
    249,707.71x = 47,047,937,773.65
  5. Step 5: Solve for x
    x = 47,047,937,773.65/249,707.71
  6. Step 6: Final answer
    x = 188,412.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.