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Finding the Fourth Proportional to 249,696, 344,586.72 and 151,580.40

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Solution

The fourth proportional to 249,696, 344,586.72 and 151,580.40 is: 209,184.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,696 : 344,586.72 = 151,580.40 : x
  2. Step 2: Convert to fraction form
    249,696/344,586.72 = 151,580.40/x
  3. Step 3: Cross multiply
    249,696x = 344,586.72 × 151,580.40
  4. Step 4: Simplify right side
    249,696x = 52,232,592,852.29
  5. Step 5: Solve for x
    x = 52,232,592,852.29/249,696
  6. Step 6: Final answer
    x = 209,184.74

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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.