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Finding the Fourth Proportional to 249,969, 344,964.51 and 136,799.04

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Solution

The fourth proportional to 249,969, 344,964.51 and 136,799.04 is: 188,786.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,969 : 344,964.51 = 136,799.04 : x
  2. Step 2: Convert to fraction form
    249,969/344,964.51 = 136,799.04/x
  3. Step 3: Cross multiply
    249,969x = 344,964.51 × 136,799.04
  4. Step 4: Simplify right side
    249,969x = 47,190,813,802.07
  5. Step 5: Solve for x
    x = 47,190,813,802.07/249,969
  6. Step 6: Final answer
    x = 188,786.66

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1.5x scale

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.