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Finding the Fourth Proportional to 249,762.56, 344,665.33 and 136,582.88

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Solution

The fourth proportional to 249,762.56, 344,665.33 and 136,582.88 is: 188,480.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,762.56 : 344,665.33 = 136,582.88 : x
  2. Step 2: Convert to fraction form
    249,762.56/344,665.33 = 136,582.88/x
  3. Step 3: Cross multiply
    249,762.56x = 344,665.33 × 136,582.88
  4. Step 4: Simplify right side
    249,762.56x = 47,075,381,342.77
  5. Step 5: Solve for x
    x = 47,075,381,342.77/249,762.56
  6. Step 6: Final answer
    x = 188,480.54

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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.