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Finding the Fourth Proportional to 157,118.08, 216,826.32 and 90,050.08

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Solution

The fourth proportional to 157,118.08, 216,826.32 and 90,050.08 is: 124,271.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,118.08 : 216,826.32 = 90,050.08 : x
  2. Step 2: Convert to fraction form
    157,118.08/216,826.32 = 90,050.08/x
  3. Step 3: Cross multiply
    157,118.08x = 216,826.32 × 90,050.08
  4. Step 4: Simplify right side
    157,118.08x = 19,525,227,462.11
  5. Step 5: Solve for x
    x = 19,525,227,462.11/157,118.08
  6. Step 6: Final answer
    x = 124,271.04

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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.