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Finding the Fourth Proportional to 124,038.86, 186,044.45 and 34,088.46

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Solution

The fourth proportional to 124,038.86, 186,044.45 and 34,088.46 is: 51,128.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,038.86 : 186,044.45 = 34,088.46 : x
  2. Step 2: Convert to fraction form
    124,038.86/186,044.45 = 34,088.46/x
  3. Step 3: Cross multiply
    124,038.86x = 186,044.45 × 34,088.46
  4. Step 4: Simplify right side
    124,038.86x = 6,341,968,621.60
  5. Step 5: Solve for x
    x = 6,341,968,621.60/124,038.86
  6. Step 6: Final answer
    x = 51,128.89

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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.