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Finding the Fourth Proportional to 272,955.49, 409,482.61 and 93,031.00

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Solution

The fourth proportional to 272,955.49, 409,482.61 and 93,031.00 is: 139,563.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,955.49 : 409,482.61 = 93,031.00 : x
  2. Step 2: Convert to fraction form
    272,955.49/409,482.61 = 93,031.00/x
  3. Step 3: Cross multiply
    272,955.49x = 409,482.61 × 93,031.00
  4. Step 4: Simplify right side
    272,955.49x = 38,094,575,434.63
  5. Step 5: Solve for x
    x = 38,094,575,434.63/272,955.49
  6. Step 6: Final answer
    x = 139,563.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.