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Finding the Fourth Proportional to 237,870.83, 328,276.92 and 157,156.76

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Solution

The fourth proportional to 237,870.83, 328,276.92 and 157,156.76 is: 216,886.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,870.83 : 328,276.92 = 157,156.76 : x
  2. Step 2: Convert to fraction form
    237,870.83/328,276.92 = 157,156.76/x
  3. Step 3: Cross multiply
    237,870.83x = 328,276.92 × 157,156.76
  4. Step 4: Simplify right side
    237,870.83x = 51,590,937,129.98
  5. Step 5: Solve for x
    x = 51,590,937,129.98/237,870.83
  6. Step 6: Final answer
    x = 216,886.35

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1.5x scale

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.