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Finding the Fourth Proportional to 249,688.89, 344,574.11 and 147,711.73

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Solution

The fourth proportional to 249,688.89, 344,574.11 and 147,711.73 is: 203,844.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,688.89 : 344,574.11 = 147,711.73 : x
  2. Step 2: Convert to fraction form
    249,688.89/344,574.11 = 147,711.73/x
  3. Step 3: Cross multiply
    249,688.89x = 344,574.11 × 147,711.73
  4. Step 4: Simplify right side
    249,688.89x = 50,897,638,762.75
  5. Step 5: Solve for x
    x = 50,897,638,762.75/249,688.89
  6. Step 6: Final answer
    x = 203,844.22

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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.