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Finding the Fourth Proportional to 249,056.60, 343,684.12 and 141,652.76

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Solution

The fourth proportional to 249,056.60, 343,684.12 and 141,652.76 is: 195,472.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,056.60 : 343,684.12 = 141,652.76 : x
  2. Step 2: Convert to fraction form
    249,056.60/343,684.12 = 141,652.76/x
  3. Step 3: Cross multiply
    249,056.60x = 343,684.12 × 141,652.76
  4. Step 4: Simplify right side
    249,056.60x = 48,683,804,166.17
  5. Step 5: Solve for x
    x = 48,683,804,166.17/249,056.60
  6. Step 6: Final answer
    x = 195,472.85

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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.