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Finding the Fourth Proportional to 158,038.74, 237,039.86 and 39,701.08

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Solution

The fourth proportional to 158,038.74, 237,039.86 and 39,701.08 is: 59,547.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,038.74 : 237,039.86 = 39,701.08 : x
  2. Step 2: Convert to fraction form
    158,038.74/237,039.86 = 39,701.08/x
  3. Step 3: Cross multiply
    158,038.74x = 237,039.86 × 39,701.08
  4. Step 4: Simplify right side
    158,038.74x = 9,410,738,445.05
  5. Step 5: Solve for x
    x = 9,410,738,445.05/158,038.74
  6. Step 6: Final answer
    x = 59,547.04

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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.