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Finding the Fourth Proportional to 98,812.98, 148,225.55 and 39,641.00

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Solution

The fourth proportional to 98,812.98, 148,225.55 and 39,641.00 is: 59,463.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,812.98 : 148,225.55 = 39,641.00 : x
  2. Step 2: Convert to fraction form
    98,812.98/148,225.55 = 39,641.00/x
  3. Step 3: Cross multiply
    98,812.98x = 148,225.55 × 39,641.00
  4. Step 4: Simplify right side
    98,812.98x = 5,875,808,088.22
  5. Step 5: Solve for x
    x = 5,875,808,088.22/98,812.98
  6. Step 6: Final answer
    x = 59,463.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.