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Finding the Fourth Proportional to 173,820.61, 240,011.95 and 139,719.82

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Solution

The fourth proportional to 173,820.61, 240,011.95 and 139,719.82 is: 192,925.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,820.61 : 240,011.95 = 139,719.82 : x
  2. Step 2: Convert to fraction form
    173,820.61/240,011.95 = 139,719.82/x
  3. Step 3: Cross multiply
    173,820.61x = 240,011.95 × 139,719.82
  4. Step 4: Simplify right side
    173,820.61x = 33,534,426,451.85
  5. Step 5: Solve for x
    x = 33,534,426,451.85/173,820.61
  6. Step 6: Final answer
    x = 192,925.49

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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.