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Finding the Fourth Proportional to 242,358.94, 334,368.76 and 140,328.70

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Solution

The fourth proportional to 242,358.94, 334,368.76 and 140,328.70 is: 193,603.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,358.94 : 334,368.76 = 140,328.70 : x
  2. Step 2: Convert to fraction form
    242,358.94/334,368.76 = 140,328.70/x
  3. Step 3: Cross multiply
    242,358.94x = 334,368.76 × 140,328.70
  4. Step 4: Simplify right side
    242,358.94x = 46,921,534,368.61
  5. Step 5: Solve for x
    x = 46,921,534,368.61/242,358.94
  6. Step 6: Final answer
    x = 193,603.48

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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.