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Finding the Fourth Proportional to 114,018.16, 157,346.04 and 63,720.40

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Solution

The fourth proportional to 114,018.16, 157,346.04 and 63,720.40 is: 87,934.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,018.16 : 157,346.04 = 63,720.40 : x
  2. Step 2: Convert to fraction form
    114,018.16/157,346.04 = 63,720.40/x
  3. Step 3: Cross multiply
    114,018.16x = 157,346.04 × 63,720.40
  4. Step 4: Simplify right side
    114,018.16x = 10,026,152,607.22
  5. Step 5: Solve for x
    x = 10,026,152,607.22/114,018.16
  6. Step 6: Final answer
    x = 87,934.70

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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.