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Finding the Fourth Proportional to 70,374.52, 105,547.19 and 25,970.93

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Solution

The fourth proportional to 70,374.52, 105,547.19 and 25,970.93 is: 38,951.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,374.52 : 105,547.19 = 25,970.93 : x
  2. Step 2: Convert to fraction form
    70,374.52/105,547.19 = 25,970.93/x
  3. Step 3: Cross multiply
    70,374.52x = 105,547.19 × 25,970.93
  4. Step 4: Simplify right side
    70,374.52x = 2,741,158,155.45
  5. Step 5: Solve for x
    x = 2,741,158,155.45/70,374.52
  6. Step 6: Final answer
    x = 38,951.01

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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.