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Finding the Fourth Proportional to 181,063.56, 249,897.72 and 105,612.04

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Solution

The fourth proportional to 181,063.56, 249,897.72 and 105,612.04 is: 145,762.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,063.56 : 249,897.72 = 105,612.04 : x
  2. Step 2: Convert to fraction form
    181,063.56/249,897.72 = 105,612.04/x
  3. Step 3: Cross multiply
    181,063.56x = 249,897.72 × 105,612.04
  4. Step 4: Simplify right side
    181,063.56x = 26,392,208,000.55
  5. Step 5: Solve for x
    x = 26,392,208,000.55/181,063.56
  6. Step 6: Final answer
    x = 145,762.12

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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.