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Finding the Fourth Proportional to 249,483, 344,293.84 and 136,313.04

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Solution

The fourth proportional to 249,483, 344,293.84 and 136,313.04 is: 188,115.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,483 : 344,293.84 = 136,313.04 : x
  2. Step 2: Convert to fraction form
    249,483/344,293.84 = 136,313.04/x
  3. Step 3: Cross multiply
    249,483x = 344,293.84 × 136,313.04
  4. Step 4: Simplify right side
    249,483x = 46,931,739,983.67
  5. Step 5: Solve for x
    x = 46,931,739,983.67/249,483
  6. Step 6: Final answer
    x = 188,115.98

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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.