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Finding the Fourth Proportional to 152,501.76, 210,473.04 and 88,859.52

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Solution

The fourth proportional to 152,501.76, 210,473.04 and 88,859.52 is: 122,638.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,501.76 : 210,473.04 = 88,859.52 : x
  2. Step 2: Convert to fraction form
    152,501.76/210,473.04 = 88,859.52/x
  3. Step 3: Cross multiply
    152,501.76x = 210,473.04 × 88,859.52
  4. Step 4: Simplify right side
    152,501.76x = 18,702,533,307.34
  5. Step 5: Solve for x
    x = 18,702,533,307.34/152,501.76
  6. Step 6: Final answer
    x = 122,638.15

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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.