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Finding the Fourth Proportional to 277,903.04, 383,501.16 and 157,041.72

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Solution

The fourth proportional to 277,903.04, 383,501.16 and 157,041.72 is: 216,714.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,903.04 : 383,501.16 = 157,041.72 : x
  2. Step 2: Convert to fraction form
    277,903.04/383,501.16 = 157,041.72/x
  3. Step 3: Cross multiply
    277,903.04x = 383,501.16 × 157,041.72
  4. Step 4: Simplify right side
    277,903.04x = 60,225,681,788.40
  5. Step 5: Solve for x
    x = 60,225,681,788.40/277,903.04
  6. Step 6: Final answer
    x = 216,714.73

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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.