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Finding the Fourth Proportional to 273,303.80, 377,158.26 and 152,445

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Solution

The fourth proportional to 273,303.80, 377,158.26 and 152,445 is: 210,373.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,303.80 : 377,158.26 = 152,445 : x
  2. Step 2: Convert to fraction form
    273,303.80/377,158.26 = 152,445/x
  3. Step 3: Cross multiply
    273,303.80x = 377,158.26 × 152,445
  4. Step 4: Simplify right side
    273,303.80x = 57,495,890,945.70
  5. Step 5: Solve for x
    x = 57,495,890,945.70/273,303.80
  6. Step 6: Final answer
    x = 210,373.55

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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.