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Finding the Fourth Proportional to 233,088.72, 349,581.03 and 90,937.77

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Solution

The fourth proportional to 233,088.72, 349,581.03 and 90,937.77 is: 136,386.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,088.72 : 349,581.03 = 90,937.77 : x
  2. Step 2: Convert to fraction form
    233,088.72/349,581.03 = 90,937.77/x
  3. Step 3: Cross multiply
    233,088.72x = 349,581.03 × 90,937.77
  4. Step 4: Simplify right side
    233,088.72x = 31,790,119,302.50
  5. Step 5: Solve for x
    x = 31,790,119,302.50/233,088.72
  6. Step 6: Final answer
    x = 136,386.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.