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Finding the Fourth Proportional to 152,630.77, 210,616.36 and 84,646.49

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Solution

The fourth proportional to 152,630.77, 210,616.36 and 84,646.49 is: 116,804.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,630.77 : 210,616.36 = 84,646.49 : x
  2. Step 2: Convert to fraction form
    152,630.77/210,616.36 = 84,646.49/x
  3. Step 3: Cross multiply
    152,630.77x = 210,616.36 × 84,646.49
  4. Step 4: Simplify right side
    152,630.77x = 17,827,935,925.50
  5. Step 5: Solve for x
    x = 17,827,935,925.50/152,630.77
  6. Step 6: Final answer
    x = 116,804.34

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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.