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Finding the Fourth Proportional to 249,883.88, 344,833.78 and 153,125.60

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Solution

The fourth proportional to 249,883.88, 344,833.78 and 153,125.60 is: 211,309.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,883.88 : 344,833.78 = 153,125.60 : x
  2. Step 2: Convert to fraction form
    249,883.88/344,833.78 = 153,125.60/x
  3. Step 3: Cross multiply
    249,883.88x = 344,833.78 × 153,125.60
  4. Step 4: Simplify right side
    249,883.88x = 52,802,879,462.77
  5. Step 5: Solve for x
    x = 52,802,879,462.77/249,883.88
  6. Step 6: Final answer
    x = 211,309.67

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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.