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Finding the Fourth Proportional to 157,095.22, 216,774.90 and 89,090.40

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Solution

The fourth proportional to 157,095.22, 216,774.90 and 89,090.40 is: 122,935.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,095.22 : 216,774.90 = 89,090.40 : x
  2. Step 2: Convert to fraction form
    157,095.22/216,774.90 = 89,090.40/x
  3. Step 3: Cross multiply
    157,095.22x = 216,774.90 × 89,090.40
  4. Step 4: Simplify right side
    157,095.22x = 19,312,562,550.96
  5. Step 5: Solve for x
    x = 19,312,562,550.96/157,095.22
  6. Step 6: Final answer
    x = 122,935.39

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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.