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Finding the Fourth Proportional to 249,644.58, 344,509.50 and 134,922.90

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Solution

The fourth proportional to 249,644.58, 344,509.50 and 134,922.90 is: 186,193.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,644.58 : 344,509.50 = 134,922.90 : x
  2. Step 2: Convert to fraction form
    249,644.58/344,509.50 = 134,922.90/x
  3. Step 3: Cross multiply
    249,644.58x = 344,509.50 × 134,922.90
  4. Step 4: Simplify right side
    249,644.58x = 46,482,220,817.55
  5. Step 5: Solve for x
    x = 46,482,220,817.55/249,644.58
  6. Step 6: Final answer
    x = 186,193.59

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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.