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Finding the Fourth Proportional to 152,510.13, 210,461.46 and 84,526.89

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Solution

The fourth proportional to 152,510.13, 210,461.46 and 84,526.89 is: 116,645.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,510.13 : 210,461.46 = 84,526.89 : x
  2. Step 2: Convert to fraction form
    152,510.13/210,461.46 = 84,526.89/x
  3. Step 3: Cross multiply
    152,510.13x = 210,461.46 × 84,526.89
  4. Step 4: Simplify right side
    152,510.13x = 17,789,652,678.66
  5. Step 5: Solve for x
    x = 17,789,652,678.66/152,510.13
  6. Step 6: Final answer
    x = 116,645.71

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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.