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Finding the Fourth Proportional to 250,039.60, 375,095.88 and 72,547.60

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Solution

The fourth proportional to 250,039.60, 375,095.88 and 72,547.60 is: 108,831.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,039.60 : 375,095.88 = 72,547.60 : x
  2. Step 2: Convert to fraction form
    250,039.60/375,095.88 = 72,547.60/x
  3. Step 3: Cross multiply
    250,039.60x = 375,095.88 × 72,547.60
  4. Step 4: Simplify right side
    250,039.60x = 27,212,305,863.89
  5. Step 5: Solve for x
    x = 27,212,305,863.89/250,039.60
  6. Step 6: Final answer
    x = 108,831.98

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1.5x scale

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.