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Finding the Fourth Proportional to 249,875.58, 344,836.60 and 136,698.32

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Solution

The fourth proportional to 249,875.58, 344,836.60 and 136,698.32 is: 188,648.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,875.58 : 344,836.60 = 136,698.32 : x
  2. Step 2: Convert to fraction form
    249,875.58/344,836.60 = 136,698.32/x
  3. Step 3: Cross multiply
    249,875.58x = 344,836.60 × 136,698.32
  4. Step 4: Simplify right side
    249,875.58x = 47,138,583,894.51
  5. Step 5: Solve for x
    x = 47,138,583,894.51/249,875.58
  6. Step 6: Final answer
    x = 188,648.22

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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.